Home / 66,538.02-91,822.50-38,243.64

Finding the Fourth Proportional to 66,538.02, 91,822.50 and 38,243.64

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Solution

The fourth proportional to 66,538.02, 91,822.50 and 38,243.64 is: 52,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.02 : 91,822.50 = 38,243.64 : x
  2. Step 2: Convert to fraction form
    66,538.02/91,822.50 = 38,243.64/x
  3. Step 3: Cross multiply
    66,538.02x = 91,822.50 × 38,243.64
  4. Step 4: Simplify right side
    66,538.02x = 3,511,626,633.90
  5. Step 5: Solve for x
    x = 3,511,626,633.90/66,538.02
  6. Step 6: Final answer
    x = 52,776.24

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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.