Home / 57,741.60-79,681.12-36,242.80

Finding the Fourth Proportional to 57,741.60, 79,681.12 and 36,242.80

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Solution

The fourth proportional to 57,741.60, 79,681.12 and 36,242.80 is: 50,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.60 : 79,681.12 = 36,242.80 : x
  2. Step 2: Convert to fraction form
    57,741.60/79,681.12 = 36,242.80/x
  3. Step 3: Cross multiply
    57,741.60x = 79,681.12 × 36,242.80
  4. Step 4: Simplify right side
    57,741.60x = 2,887,866,895.94
  5. Step 5: Solve for x
    x = 2,887,866,895.94/57,741.60
  6. Step 6: Final answer
    x = 50,013.63

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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.