Home / 66,521.12-91,781.61-37,841.04

Finding the Fourth Proportional to 66,521.12, 91,781.61 and 37,841.04

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Solution

The fourth proportional to 66,521.12, 91,781.61 and 37,841.04 is: 52,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.12 : 91,781.61 = 37,841.04 : x
  2. Step 2: Convert to fraction form
    66,521.12/91,781.61 = 37,841.04/x
  3. Step 3: Cross multiply
    66,521.12x = 91,781.61 × 37,841.04
  4. Step 4: Simplify right side
    66,521.12x = 3,473,111,433.37
  5. Step 5: Solve for x
    x = 3,473,111,433.37/66,521.12
  6. Step 6: Final answer
    x = 52,210.66

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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.