Home / 66,254.06-91,432.85-37,965.21

Finding the Fourth Proportional to 66,254.06, 91,432.85 and 37,965.21

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Solution

The fourth proportional to 66,254.06, 91,432.85 and 37,965.21 is: 52,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,254.06 : 91,432.85 = 37,965.21 : x
  2. Step 2: Convert to fraction form
    66,254.06/91,432.85 = 37,965.21/x
  3. Step 3: Cross multiply
    66,254.06x = 91,432.85 × 37,965.21
  4. Step 4: Simplify right side
    66,254.06x = 3,471,267,351.15
  5. Step 5: Solve for x
    x = 3,471,267,351.15/66,254.06
  6. Step 6: Final answer
    x = 52,393.28

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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.