Home / 65,331.35-90,158.23-36,657.35

Finding the Fourth Proportional to 65,331.35, 90,158.23 and 36,657.35

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Solution

The fourth proportional to 65,331.35, 90,158.23 and 36,657.35 is: 50,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,331.35 : 90,158.23 = 36,657.35 : x
  2. Step 2: Convert to fraction form
    65,331.35/90,158.23 = 36,657.35/x
  3. Step 3: Cross multiply
    65,331.35x = 90,158.23 × 36,657.35
  4. Step 4: Simplify right side
    65,331.35x = 3,304,961,792.49
  5. Step 5: Solve for x
    x = 3,304,961,792.49/65,331.35
  6. Step 6: Final answer
    x = 50,587.69

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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.