Home / 42,337.78-63,509.15-14,255.48

Finding the Fourth Proportional to 42,337.78, 63,509.15 and 14,255.48

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Solution

The fourth proportional to 42,337.78, 63,509.15 and 14,255.48 is: 21,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,337.78 : 63,509.15 = 14,255.48 : x
  2. Step 2: Convert to fraction form
    42,337.78/63,509.15 = 14,255.48/x
  3. Step 3: Cross multiply
    42,337.78x = 63,509.15 × 14,255.48
  4. Step 4: Simplify right side
    42,337.78x = 905,353,417.64
  5. Step 5: Solve for x
    x = 905,353,417.64/42,337.78
  6. Step 6: Final answer
    x = 21,384.06

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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.