Home / 52,505.40-72,455.13-28,632.18

Finding the Fourth Proportional to 52,505.40, 72,455.13 and 28,632.18

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Solution

The fourth proportional to 52,505.40, 72,455.13 and 28,632.18 is: 39,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,505.40 : 72,455.13 = 28,632.18 : x
  2. Step 2: Convert to fraction form
    52,505.40/72,455.13 = 28,632.18/x
  3. Step 3: Cross multiply
    52,505.40x = 72,455.13 × 28,632.18
  4. Step 4: Simplify right side
    52,505.40x = 2,074,548,324.08
  5. Step 5: Solve for x
    x = 2,074,548,324.08/52,505.40
  6. Step 6: Final answer
    x = 39,511.14

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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.