Home / 65,151.92-97,747.73-31,867.15

Finding the Fourth Proportional to 65,151.92, 97,747.73 and 31,867.15

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Solution

The fourth proportional to 65,151.92, 97,747.73 and 31,867.15 is: 47,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,151.92 : 97,747.73 = 31,867.15 : x
  2. Step 2: Convert to fraction form
    65,151.92/97,747.73 = 31,867.15/x
  3. Step 3: Cross multiply
    65,151.92x = 97,747.73 × 31,867.15
  4. Step 4: Simplify right side
    65,151.92x = 3,114,941,574.07
  5. Step 5: Solve for x
    x = 3,114,941,574.07/65,151.92
  6. Step 6: Final answer
    x = 47,810.43

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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.