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Finding the Fourth Proportional to 42,973.04, 64,375.80 and 24,195.68

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Solution

The fourth proportional to 42,973.04, 64,375.80 and 24,195.68 is: 36,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,973.04 : 64,375.80 = 24,195.68 : x
  2. Step 2: Convert to fraction form
    42,973.04/64,375.80 = 24,195.68/x
  3. Step 3: Cross multiply
    42,973.04x = 64,375.80 × 24,195.68
  4. Step 4: Simplify right side
    42,973.04x = 1,557,616,256.54
  5. Step 5: Solve for x
    x = 1,557,616,256.54/42,973.04
  6. Step 6: Final answer
    x = 36,246.36

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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.