Home / 57,254.16-85,839.72-38,487.65

Finding the Fourth Proportional to 57,254.16, 85,839.72 and 38,487.65

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Solution

The fourth proportional to 57,254.16, 85,839.72 and 38,487.65 is: 57,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.16 : 85,839.72 = 38,487.65 : x
  2. Step 2: Convert to fraction form
    57,254.16/85,839.72 = 38,487.65/x
  3. Step 3: Cross multiply
    57,254.16x = 85,839.72 × 38,487.65
  4. Step 4: Simplify right side
    57,254.16x = 3,303,768,670.26
  5. Step 5: Solve for x
    x = 3,303,768,670.26/57,254.16
  6. Step 6: Final answer
    x = 57,703.56

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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.