Home / 57,920,029.28-79,931,020.62-31,815,094.04

Finding the Fourth Proportional to 57,920,029.28, 79,931,020.62 and 31,815,094.04

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Solution

The fourth proportional to 57,920,029.28, 79,931,020.62 and 31,815,094.04 is: 43,905,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,920,029.28 : 79,931,020.62 = 31,815,094.04 : x
  2. Step 2: Convert to fraction form
    57,920,029.28/79,931,020.62 = 31,815,094.04/x
  3. Step 3: Cross multiply
    57,920,029.28x = 79,931,020.62 × 31,815,094.04
  4. Step 4: Simplify right side
    57,920,029.28x = 2,543,012,937,738,479
  5. Step 5: Solve for x
    x = 2,543,012,937,738,479/57,920,029.28
  6. Step 6: Final answer
    x = 43,905,587.92

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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.