Home / 42,720.24-64,079.40-25,073.52

Finding the Fourth Proportional to 42,720.24, 64,079.40 and 25,073.52

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Solution

The fourth proportional to 42,720.24, 64,079.40 and 25,073.52 is: 37,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720.24 : 64,079.40 = 25,073.52 : x
  2. Step 2: Convert to fraction form
    42,720.24/64,079.40 = 25,073.52/x
  3. Step 3: Cross multiply
    42,720.24x = 64,079.40 × 25,073.52
  4. Step 4: Simplify right side
    42,720.24x = 1,606,696,117.49
  5. Step 5: Solve for x
    x = 1,606,696,117.49/42,720.24
  6. Step 6: Final answer
    x = 37,609.72

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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.