Home / 52,438.64-72,360.69-29,778.59

Finding the Fourth Proportional to 52,438.64, 72,360.69 and 29,778.59

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Solution

The fourth proportional to 52,438.64, 72,360.69 and 29,778.59 is: 41,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.64 : 72,360.69 = 29,778.59 : x
  2. Step 2: Convert to fraction form
    52,438.64/72,360.69 = 29,778.59/x
  3. Step 3: Cross multiply
    52,438.64x = 72,360.69 × 29,778.59
  4. Step 4: Simplify right side
    52,438.64x = 2,154,799,149.33
  5. Step 5: Solve for x
    x = 2,154,799,149.33/52,438.64
  6. Step 6: Final answer
    x = 41,091.82

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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.