Home / 42,371.14-63,574.66-21,300.08

Finding the Fourth Proportional to 42,371.14, 63,574.66 and 21,300.08

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Solution

The fourth proportional to 42,371.14, 63,574.66 and 21,300.08 is: 31,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,371.14 : 63,574.66 = 21,300.08 : x
  2. Step 2: Convert to fraction form
    42,371.14/63,574.66 = 21,300.08/x
  3. Step 3: Cross multiply
    42,371.14x = 63,574.66 × 21,300.08
  4. Step 4: Simplify right side
    42,371.14x = 1,354,145,343.97
  5. Step 5: Solve for x
    x = 1,354,145,343.97/42,371.14
  6. Step 6: Final answer
    x = 31,959.14

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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.