Home / 42,768.68-59,013.78-39,327.80

Finding the Fourth Proportional to 42,768.68, 59,013.78 and 39,327.80

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Solution

The fourth proportional to 42,768.68, 59,013.78 and 39,327.80 is: 54,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768.68 : 59,013.78 = 39,327.80 : x
  2. Step 2: Convert to fraction form
    42,768.68/59,013.78 = 39,327.80/x
  3. Step 3: Cross multiply
    42,768.68x = 59,013.78 × 39,327.80
  4. Step 4: Simplify right side
    42,768.68x = 2,320,882,137.08
  5. Step 5: Solve for x
    x = 2,320,882,137.08/42,768.68
  6. Step 6: Final answer
    x = 54,265.93

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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.