Home / 65,328.36-97,960.85-38,318.08

Finding the Fourth Proportional to 65,328.36, 97,960.85 and 38,318.08

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Solution

The fourth proportional to 65,328.36, 97,960.85 and 38,318.08 is: 57,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,328.36 : 97,960.85 = 38,318.08 : x
  2. Step 2: Convert to fraction form
    65,328.36/97,960.85 = 38,318.08/x
  3. Step 3: Cross multiply
    65,328.36x = 97,960.85 × 38,318.08
  4. Step 4: Simplify right side
    65,328.36x = 3,753,671,687.17
  5. Step 5: Solve for x
    x = 3,753,671,687.17/65,328.36
  6. Step 6: Final answer
    x = 57,458.53

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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.