Home / 42,612.34-63,921.48-13,027.90

Finding the Fourth Proportional to 42,612.34, 63,921.48 and 13,027.90

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Solution

The fourth proportional to 42,612.34, 63,921.48 and 13,027.90 is: 19,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.34 : 63,921.48 = 13,027.90 : x
  2. Step 2: Convert to fraction form
    42,612.34/63,921.48 = 13,027.90/x
  3. Step 3: Cross multiply
    42,612.34x = 63,921.48 × 13,027.90
  4. Step 4: Simplify right side
    42,612.34x = 832,762,649.29
  5. Step 5: Solve for x
    x = 832,762,649.29/42,612.34
  6. Step 6: Final answer
    x = 19,542.76

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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.