Home / 40,725.39-61,068.78-15,777.12

Finding the Fourth Proportional to 40,725.39, 61,068.78 and 15,777.12

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Solution

The fourth proportional to 40,725.39, 61,068.78 and 15,777.12 is: 23,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.39 : 61,068.78 = 15,777.12 : x
  2. Step 2: Convert to fraction form
    40,725.39/61,068.78 = 15,777.12/x
  3. Step 3: Cross multiply
    40,725.39x = 61,068.78 × 15,777.12
  4. Step 4: Simplify right side
    40,725.39x = 963,489,470.31
  5. Step 5: Solve for x
    x = 963,489,470.31/40,725.39
  6. Step 6: Final answer
    x = 23,658.20

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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.