Home / 54,223.60-81,335.40-17,287.60

Finding the Fourth Proportional to 54,223.60, 81,335.40 and 17,287.60

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Solution

The fourth proportional to 54,223.60, 81,335.40 and 17,287.60 is: 25,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,223.60 : 81,335.40 = 17,287.60 : x
  2. Step 2: Convert to fraction form
    54,223.60/81,335.40 = 17,287.60/x
  3. Step 3: Cross multiply
    54,223.60x = 81,335.40 × 17,287.60
  4. Step 4: Simplify right side
    54,223.60x = 1,406,093,861.04
  5. Step 5: Solve for x
    x = 1,406,093,861.04/54,223.60
  6. Step 6: Final answer
    x = 25,931.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.