Home / 71,718.01-107,577.08-19,127.48

Finding the Fourth Proportional to 71,718.01, 107,577.08 and 19,127.48

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Solution

The fourth proportional to 71,718.01, 107,577.08 and 19,127.48 is: 28,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,718.01 : 107,577.08 = 19,127.48 : x
  2. Step 2: Convert to fraction form
    71,718.01/107,577.08 = 19,127.48/x
  3. Step 3: Cross multiply
    71,718.01x = 107,577.08 × 19,127.48
  4. Step 4: Simplify right side
    71,718.01x = 2,057,677,884.36
  5. Step 5: Solve for x
    x = 2,057,677,884.36/71,718.01
  6. Step 6: Final answer
    x = 28,691.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.