Home / 57,317.12-79,114.56-37,175.28

Finding the Fourth Proportional to 57,317.12, 79,114.56 and 37,175.28

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Solution

The fourth proportional to 57,317.12, 79,114.56 and 37,175.28 is: 51,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,317.12 : 79,114.56 = 37,175.28 : x
  2. Step 2: Convert to fraction form
    57,317.12/79,114.56 = 37,175.28/x
  3. Step 3: Cross multiply
    57,317.12x = 79,114.56 × 37,175.28
  4. Step 4: Simplify right side
    57,317.12x = 2,941,105,920.08
  5. Step 5: Solve for x
    x = 2,941,105,920.08/57,317.12
  6. Step 6: Final answer
    x = 51,312.87

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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.