Home / 31,180.04-43,014.75-18,597.50

Finding the Fourth Proportional to 31,180.04, 43,014.75 and 18,597.50

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Solution

The fourth proportional to 31,180.04, 43,014.75 and 18,597.50 is: 25,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.04 : 43,014.75 = 18,597.50 : x
  2. Step 2: Convert to fraction form
    31,180.04/43,014.75 = 18,597.50/x
  3. Step 3: Cross multiply
    31,180.04x = 43,014.75 × 18,597.50
  4. Step 4: Simplify right side
    31,180.04x = 799,966,813.13
  5. Step 5: Solve for x
    x = 799,966,813.13/31,180.04
  6. Step 6: Final answer
    x = 25,656.38

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Half scale
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Double scale
Find fourth proportional to 31,181.04, 43,016.13 and 18,598.50
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.