Home / 52,201.28-78,293.76-17,140.64

Finding the Fourth Proportional to 52,201.28, 78,293.76 and 17,140.64

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Solution

The fourth proportional to 52,201.28, 78,293.76 and 17,140.64 is: 25,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.28 : 78,293.76 = 17,140.64 : x
  2. Step 2: Convert to fraction form
    52,201.28/78,293.76 = 17,140.64/x
  3. Step 3: Cross multiply
    52,201.28x = 78,293.76 × 17,140.64
  4. Step 4: Simplify right side
    52,201.28x = 1,342,005,154.41
  5. Step 5: Solve for x
    x = 1,342,005,154.41/52,201.28
  6. Step 6: Final answer
    x = 25,708.28

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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.