Home / 65,245.17-97,719.21-38,895.47

Finding the Fourth Proportional to 65,245.17, 97,719.21 and 38,895.47

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Solution

The fourth proportional to 65,245.17, 97,719.21 and 38,895.47 is: 58,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,245.17 : 97,719.21 = 38,895.47 : x
  2. Step 2: Convert to fraction form
    65,245.17/97,719.21 = 38,895.47/x
  3. Step 3: Cross multiply
    65,245.17x = 97,719.21 × 38,895.47
  4. Step 4: Simplify right side
    65,245.17x = 3,800,834,112.38
  5. Step 5: Solve for x
    x = 3,800,834,112.38/65,245.17
  6. Step 6: Final answer
    x = 58,254.64

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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.