Home / 42,440.49-63,659.59-14,360.36

Finding the Fourth Proportional to 42,440.49, 63,659.59 and 14,360.36

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Solution

The fourth proportional to 42,440.49, 63,659.59 and 14,360.36 is: 21,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,440.49 : 63,659.59 = 14,360.36 : x
  2. Step 2: Convert to fraction form
    42,440.49/63,659.59 = 14,360.36/x
  3. Step 3: Cross multiply
    42,440.49x = 63,659.59 × 14,360.36
  4. Step 4: Simplify right side
    42,440.49x = 914,174,275.65
  5. Step 5: Solve for x
    x = 914,174,275.65/42,440.49
  6. Step 6: Final answer
    x = 21,540.14

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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.