Home / 42,669.11-58,839.68-28,323.88

Finding the Fourth Proportional to 42,669.11, 58,839.68 and 28,323.88

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Solution

The fourth proportional to 42,669.11, 58,839.68 and 28,323.88 is: 39,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.11 : 58,839.68 = 28,323.88 : x
  2. Step 2: Convert to fraction form
    42,669.11/58,839.68 = 28,323.88/x
  3. Step 3: Cross multiply
    42,669.11x = 58,839.68 × 28,323.88
  4. Step 4: Simplify right side
    42,669.11x = 1,666,567,599.74
  5. Step 5: Solve for x
    x = 1,666,567,599.74/42,669.11
  6. Step 6: Final answer
    x = 39,057.94

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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.