Home / 45,663.75-68,516.15-29,019.47

Finding the Fourth Proportional to 45,663.75, 68,516.15 and 29,019.47

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Solution

The fourth proportional to 45,663.75, 68,516.15 and 29,019.47 is: 43,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.75 : 68,516.15 = 29,019.47 : x
  2. Step 2: Convert to fraction form
    45,663.75/68,516.15 = 29,019.47/x
  3. Step 3: Cross multiply
    45,663.75x = 68,516.15 × 29,019.47
  4. Step 4: Simplify right side
    45,663.75x = 1,988,301,871.76
  5. Step 5: Solve for x
    x = 1,988,301,871.76/45,663.75
  6. Step 6: Final answer
    x = 43,542.24

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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.