Home / 57,368.97-85,869.18-30,648.15

Finding the Fourth Proportional to 57,368.97, 85,869.18 and 30,648.15

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Solution

The fourth proportional to 57,368.97, 85,869.18 and 30,648.15 is: 45,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.97 : 85,869.18 = 30,648.15 : x
  2. Step 2: Convert to fraction form
    57,368.97/85,869.18 = 30,648.15/x
  3. Step 3: Cross multiply
    57,368.97x = 85,869.18 × 30,648.15
  4. Step 4: Simplify right side
    57,368.97x = 2,631,731,509.02
  5. Step 5: Solve for x
    x = 2,631,731,509.02/57,368.97
  6. Step 6: Final answer
    x = 45,873.78

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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.