Home / 42,112-63,146.85-14,022.13

Finding the Fourth Proportional to 42,112, 63,146.85 and 14,022.13

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Solution

The fourth proportional to 42,112, 63,146.85 and 14,022.13 is: 21,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,112 : 63,146.85 = 14,022.13 : x
  2. Step 2: Convert to fraction form
    42,112/63,146.85 = 14,022.13/x
  3. Step 3: Cross multiply
    42,112x = 63,146.85 × 14,022.13
  4. Step 4: Simplify right side
    42,112x = 885,453,339.79
  5. Step 5: Solve for x
    x = 885,453,339.79/42,112
  6. Step 6: Final answer
    x = 21,026.15

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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.