Home / 52,320.81-72,201.21-29,661.90

Finding the Fourth Proportional to 52,320.81, 72,201.21 and 29,661.90

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Solution

The fourth proportional to 52,320.81, 72,201.21 and 29,661.90 is: 40,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.81 : 72,201.21 = 29,661.90 : x
  2. Step 2: Convert to fraction form
    52,320.81/72,201.21 = 29,661.90/x
  3. Step 3: Cross multiply
    52,320.81x = 72,201.21 × 29,661.90
  4. Step 4: Simplify right side
    52,320.81x = 2,141,625,070.90
  5. Step 5: Solve for x
    x = 2,141,625,070.90/52,320.81
  6. Step 6: Final answer
    x = 40,932.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.