Home / 42,307.28-58,356.68-33,340.88

Finding the Fourth Proportional to 42,307.28, 58,356.68 and 33,340.88

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Solution

The fourth proportional to 42,307.28, 58,356.68 and 33,340.88 is: 45,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,307.28 : 58,356.68 = 33,340.88 : x
  2. Step 2: Convert to fraction form
    42,307.28/58,356.68 = 33,340.88/x
  3. Step 3: Cross multiply
    42,307.28x = 58,356.68 × 33,340.88
  4. Step 4: Simplify right side
    42,307.28x = 1,945,663,065.08
  5. Step 5: Solve for x
    x = 1,945,663,065.08/42,307.28
  6. Step 6: Final answer
    x = 45,988.85

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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.