Home / 66,370.06-91,589.97-38,080.18

Finding the Fourth Proportional to 66,370.06, 91,589.97 and 38,080.18

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Solution

The fourth proportional to 66,370.06, 91,589.97 and 38,080.18 is: 52,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.06 : 91,589.97 = 38,080.18 : x
  2. Step 2: Convert to fraction form
    66,370.06/91,589.97 = 38,080.18/x
  3. Step 3: Cross multiply
    66,370.06x = 91,589.97 × 38,080.18
  4. Step 4: Simplify right side
    66,370.06x = 3,487,762,543.79
  5. Step 5: Solve for x
    x = 3,487,762,543.79/66,370.06
  6. Step 6: Final answer
    x = 52,550.24

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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.