Home / 71,424.02-98,563.01-39,157.97

Finding the Fourth Proportional to 71,424.02, 98,563.01 and 39,157.97

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Solution

The fourth proportional to 71,424.02, 98,563.01 and 39,157.97 is: 54,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,424.02 : 98,563.01 = 39,157.97 : x
  2. Step 2: Convert to fraction form
    71,424.02/98,563.01 = 39,157.97/x
  3. Step 3: Cross multiply
    71,424.02x = 98,563.01 × 39,157.97
  4. Step 4: Simplify right side
    71,424.02x = 3,859,526,700.08
  5. Step 5: Solve for x
    x = 3,859,526,700.08/71,424.02
  6. Step 6: Final answer
    x = 54,036.82

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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.