Home / 52,489.46-72,435.48-28,615.64

Finding the Fourth Proportional to 52,489.46, 72,435.48 and 28,615.64

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Solution

The fourth proportional to 52,489.46, 72,435.48 and 28,615.64 is: 39,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.46 : 72,435.48 = 28,615.64 : x
  2. Step 2: Convert to fraction form
    52,489.46/72,435.48 = 28,615.64/x
  3. Step 3: Cross multiply
    52,489.46x = 72,435.48 × 28,615.64
  4. Step 4: Simplify right side
    52,489.46x = 2,072,787,618.91
  5. Step 5: Solve for x
    x = 2,072,787,618.91/52,489.46
  6. Step 6: Final answer
    x = 39,489.60

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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.