Home / 70,549.27-97,359.18-38,721.13

Finding the Fourth Proportional to 70,549.27, 97,359.18 and 38,721.13

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Solution

The fourth proportional to 70,549.27, 97,359.18 and 38,721.13 is: 53,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,549.27 : 97,359.18 = 38,721.13 : x
  2. Step 2: Convert to fraction form
    70,549.27/97,359.18 = 38,721.13/x
  3. Step 3: Cross multiply
    70,549.27x = 97,359.18 × 38,721.13
  4. Step 4: Simplify right side
    70,549.27x = 3,769,857,465.47
  5. Step 5: Solve for x
    x = 3,769,857,465.47/70,549.27
  6. Step 6: Final answer
    x = 53,435.81

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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.