Home / 42,691.20-64,032.96-30,264.48

Finding the Fourth Proportional to 42,691.20, 64,032.96 and 30,264.48

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Solution

The fourth proportional to 42,691.20, 64,032.96 and 30,264.48 is: 45,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,691.20 : 64,032.96 = 30,264.48 : x
  2. Step 2: Convert to fraction form
    42,691.20/64,032.96 = 30,264.48/x
  3. Step 3: Cross multiply
    42,691.20x = 64,032.96 × 30,264.48
  4. Step 4: Simplify right side
    42,691.20x = 1,937,924,237.26
  5. Step 5: Solve for x
    x = 1,937,924,237.26/42,691.20
  6. Step 6: Final answer
    x = 45,394.00

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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.