Home / 31,795.02-43,866.98-18,364.50

Finding the Fourth Proportional to 31,795.02, 43,866.98 and 18,364.50

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Solution

The fourth proportional to 31,795.02, 43,866.98 and 18,364.50 is: 25,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.02 : 43,866.98 = 18,364.50 : x
  2. Step 2: Convert to fraction form
    31,795.02/43,866.98 = 18,364.50/x
  3. Step 3: Cross multiply
    31,795.02x = 43,866.98 × 18,364.50
  4. Step 4: Simplify right side
    31,795.02x = 805,595,154.21
  5. Step 5: Solve for x
    x = 805,595,154.21/31,795.02
  6. Step 6: Final answer
    x = 25,337.15

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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.