Home / 57,779.86-79,728.18-32,283.04

Finding the Fourth Proportional to 57,779.86, 79,728.18 and 32,283.04

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Solution

The fourth proportional to 57,779.86, 79,728.18 and 32,283.04 is: 44,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.86 : 79,728.18 = 32,283.04 : x
  2. Step 2: Convert to fraction form
    57,779.86/79,728.18 = 32,283.04/x
  3. Step 3: Cross multiply
    57,779.86x = 79,728.18 × 32,283.04
  4. Step 4: Simplify right side
    57,779.86x = 2,573,868,024.07
  5. Step 5: Solve for x
    x = 2,573,868,024.07/57,779.86
  6. Step 6: Final answer
    x = 44,546.11

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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.