Home / 48,839.76-67,412.01-28,710.13

Finding the Fourth Proportional to 48,839.76, 67,412.01 and 28,710.13

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Solution

The fourth proportional to 48,839.76, 67,412.01 and 28,710.13 is: 39,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.76 : 67,412.01 = 28,710.13 : x
  2. Step 2: Convert to fraction form
    48,839.76/67,412.01 = 28,710.13/x
  3. Step 3: Cross multiply
    48,839.76x = 67,412.01 × 28,710.13
  4. Step 4: Simplify right side
    48,839.76x = 1,935,407,570.66
  5. Step 5: Solve for x
    x = 1,935,407,570.66/48,839.76
  6. Step 6: Final answer
    x = 39,627.70

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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.