Home / 65,140.32-97,712.16-17,755.80

Finding the Fourth Proportional to 65,140.32, 97,712.16 and 17,755.80

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Solution

The fourth proportional to 65,140.32, 97,712.16 and 17,755.80 is: 26,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,140.32 : 97,712.16 = 17,755.80 : x
  2. Step 2: Convert to fraction form
    65,140.32/97,712.16 = 17,755.80/x
  3. Step 3: Cross multiply
    65,140.32x = 97,712.16 × 17,755.80
  4. Step 4: Simplify right side
    65,140.32x = 1,734,957,570.53
  5. Step 5: Solve for x
    x = 1,734,957,570.53/65,140.32
  6. Step 6: Final answer
    x = 26,634.16

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1.5x scale

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.