Home / 32,780.64-45,237.26-17,876.64

Finding the Fourth Proportional to 32,780.64, 45,237.26 and 17,876.64

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Solution

The fourth proportional to 32,780.64, 45,237.26 and 17,876.64 is: 24,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.64 : 45,237.26 = 17,876.64 : x
  2. Step 2: Convert to fraction form
    32,780.64/45,237.26 = 17,876.64/x
  3. Step 3: Cross multiply
    32,780.64x = 45,237.26 × 17,876.64
  4. Step 4: Simplify right side
    32,780.64x = 808,690,211.61
  5. Step 5: Solve for x
    x = 808,690,211.61/32,780.64
  6. Step 6: Final answer
    x = 24,669.75

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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.