Home / 66,675.20-92,020.48-38,382.08

Finding the Fourth Proportional to 66,675.20, 92,020.48 and 38,382.08

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Solution

The fourth proportional to 66,675.20, 92,020.48 and 38,382.08 is: 52,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,675.20 : 92,020.48 = 38,382.08 : x
  2. Step 2: Convert to fraction form
    66,675.20/92,020.48 = 38,382.08/x
  3. Step 3: Cross multiply
    66,675.20x = 92,020.48 × 38,382.08
  4. Step 4: Simplify right side
    66,675.20x = 3,531,937,425.00
  5. Step 5: Solve for x
    x = 3,531,937,425.00/66,675.20
  6. Step 6: Final answer
    x = 52,972.28

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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.