Home / 65,330.03-97,747.20-38,690.28

Finding the Fourth Proportional to 65,330.03, 97,747.20 and 38,690.28

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Solution

The fourth proportional to 65,330.03, 97,747.20 and 38,690.28 is: 57,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,330.03 : 97,747.20 = 38,690.28 : x
  2. Step 2: Convert to fraction form
    65,330.03/97,747.20 = 38,690.28/x
  3. Step 3: Cross multiply
    65,330.03x = 97,747.20 × 38,690.28
  4. Step 4: Simplify right side
    65,330.03x = 3,781,866,537.22
  5. Step 5: Solve for x
    x = 3,781,866,537.22/65,330.03
  6. Step 6: Final answer
    x = 57,888.64

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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.