Home / 42,011.91-63,028.80-15,718.73

Finding the Fourth Proportional to 42,011.91, 63,028.80 and 15,718.73

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Solution

The fourth proportional to 42,011.91, 63,028.80 and 15,718.73 is: 23,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.91 : 63,028.80 = 15,718.73 : x
  2. Step 2: Convert to fraction form
    42,011.91/63,028.80 = 15,718.73/x
  3. Step 3: Cross multiply
    42,011.91x = 63,028.80 × 15,718.73
  4. Step 4: Simplify right side
    42,011.91x = 990,732,374.28
  5. Step 5: Solve for x
    x = 990,732,374.28/42,011.91
  6. Step 6: Final answer
    x = 23,582.18

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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.