Home / 65,408.29-90,262.28-36,728.18

Finding the Fourth Proportional to 65,408.29, 90,262.28 and 36,728.18

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Solution

The fourth proportional to 65,408.29, 90,262.28 and 36,728.18 is: 50,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,408.29 : 90,262.28 = 36,728.18 : x
  2. Step 2: Convert to fraction form
    65,408.29/90,262.28 = 36,728.18/x
  3. Step 3: Cross multiply
    65,408.29x = 90,262.28 × 36,728.18
  4. Step 4: Simplify right side
    65,408.29x = 3,315,169,246.04
  5. Step 5: Solve for x
    x = 3,315,169,246.04/65,408.29
  6. Step 6: Final answer
    x = 50,684.24

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1.5x scale

Why These Related Problems?

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