Home / 42,521.86-63,778.47-14,059.54

Finding the Fourth Proportional to 42,521.86, 63,778.47 and 14,059.54

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Solution

The fourth proportional to 42,521.86, 63,778.47 and 14,059.54 is: 21,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521.86 : 63,778.47 = 14,059.54 : x
  2. Step 2: Convert to fraction form
    42,521.86/63,778.47 = 14,059.54/x
  3. Step 3: Cross multiply
    42,521.86x = 63,778.47 × 14,059.54
  4. Step 4: Simplify right side
    42,521.86x = 896,695,950.10
  5. Step 5: Solve for x
    x = 896,695,950.10/42,521.86
  6. Step 6: Final answer
    x = 21,087.88

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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.