Home / 65,237.28-90,025.92-38,381.51

Finding the Fourth Proportional to 65,237.28, 90,025.92 and 38,381.51

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Solution

The fourth proportional to 65,237.28, 90,025.92 and 38,381.51 is: 52,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.28 : 90,025.92 = 38,381.51 : x
  2. Step 2: Convert to fraction form
    65,237.28/90,025.92 = 38,381.51/x
  3. Step 3: Cross multiply
    65,237.28x = 90,025.92 × 38,381.51
  4. Step 4: Simplify right side
    65,237.28x = 3,455,330,781.90
  5. Step 5: Solve for x
    x = 3,455,330,781.90/65,237.28
  6. Step 6: Final answer
    x = 52,965.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.