Home / 69,869.49-96,421.63-38,040.14

Finding the Fourth Proportional to 69,869.49, 96,421.63 and 38,040.14

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Solution

The fourth proportional to 69,869.49, 96,421.63 and 38,040.14 is: 52,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869.49 : 96,421.63 = 38,040.14 : x
  2. Step 2: Convert to fraction form
    69,869.49/96,421.63 = 38,040.14/x
  3. Step 3: Cross multiply
    69,869.49x = 96,421.63 × 38,040.14
  4. Step 4: Simplify right side
    69,869.49x = 3,667,891,727.02
  5. Step 5: Solve for x
    x = 3,667,891,727.02/69,869.49
  6. Step 6: Final answer
    x = 52,496.33

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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.