Home / 42,001.54-63,011.52-30,874.49

Finding the Fourth Proportional to 42,001.54, 63,011.52 and 30,874.49

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Solution

The fourth proportional to 42,001.54, 63,011.52 and 30,874.49 is: 46,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.54 : 63,011.52 = 30,874.49 : x
  2. Step 2: Convert to fraction form
    42,001.54/63,011.52 = 30,874.49/x
  3. Step 3: Cross multiply
    42,001.54x = 63,011.52 × 30,874.49
  4. Step 4: Simplify right side
    42,001.54x = 1,945,448,229.07
  5. Step 5: Solve for x
    x = 1,945,448,229.07/42,001.54
  6. Step 6: Final answer
    x = 46,318.50

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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.