Home / 32,879.40-45,372.66-18,539.10

Finding the Fourth Proportional to 32,879.40, 45,372.66 and 18,539.10

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Solution

The fourth proportional to 32,879.40, 45,372.66 and 18,539.10 is: 25,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,879.40 : 45,372.66 = 18,539.10 : x
  2. Step 2: Convert to fraction form
    32,879.40/45,372.66 = 18,539.10/x
  3. Step 3: Cross multiply
    32,879.40x = 45,372.66 × 18,539.10
  4. Step 4: Simplify right side
    32,879.40x = 841,168,281.01
  5. Step 5: Solve for x
    x = 841,168,281.01/32,879.40
  6. Step 6: Final answer
    x = 25,583.44

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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.