Home / 52,965.64-79,447.43-21,374.86

Finding the Fourth Proportional to 52,965.64, 79,447.43 and 21,374.86

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Solution

The fourth proportional to 52,965.64, 79,447.43 and 21,374.86 is: 32,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.64 : 79,447.43 = 21,374.86 : x
  2. Step 2: Convert to fraction form
    52,965.64/79,447.43 = 21,374.86/x
  3. Step 3: Cross multiply
    52,965.64x = 79,447.43 × 21,374.86
  4. Step 4: Simplify right side
    52,965.64x = 1,698,177,693.61
  5. Step 5: Solve for x
    x = 1,698,177,693.61/52,965.64
  6. Step 6: Final answer
    x = 32,061.87

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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.