Home / 70,728.39-97,604.19-38,897.01

Finding the Fourth Proportional to 70,728.39, 97,604.19 and 38,897.01

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Solution

The fourth proportional to 70,728.39, 97,604.19 and 38,897.01 is: 53,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,728.39 : 97,604.19 = 38,897.01 : x
  2. Step 2: Convert to fraction form
    70,728.39/97,604.19 = 38,897.01/x
  3. Step 3: Cross multiply
    70,728.39x = 97,604.19 × 38,897.01
  4. Step 4: Simplify right side
    70,728.39x = 3,796,511,154.47
  5. Step 5: Solve for x
    x = 3,796,511,154.47/70,728.39
  6. Step 6: Final answer
    x = 53,677.33

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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.