Home / 56,729.79-85,140.05-25,567.47

Finding the Fourth Proportional to 56,729.79, 85,140.05 and 25,567.47

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Solution

The fourth proportional to 56,729.79, 85,140.05 and 25,567.47 is: 38,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.79 : 85,140.05 = 25,567.47 : x
  2. Step 2: Convert to fraction form
    56,729.79/85,140.05 = 25,567.47/x
  3. Step 3: Cross multiply
    56,729.79x = 85,140.05 × 25,567.47
  4. Step 4: Simplify right side
    56,729.79x = 2,176,815,546.34
  5. Step 5: Solve for x
    x = 2,176,815,546.34/56,729.79
  6. Step 6: Final answer
    x = 38,371.65

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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.