Home / 70,530.28-97,332.45-38,700.33

Finding the Fourth Proportional to 70,530.28, 97,332.45 and 38,700.33

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Solution

The fourth proportional to 70,530.28, 97,332.45 and 38,700.33 is: 53,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,530.28 : 97,332.45 = 38,700.33 : x
  2. Step 2: Convert to fraction form
    70,530.28/97,332.45 = 38,700.33/x
  3. Step 3: Cross multiply
    70,530.28x = 97,332.45 × 38,700.33
  4. Step 4: Simplify right side
    70,530.28x = 3,766,797,934.71
  5. Step 5: Solve for x
    x = 3,766,797,934.71/70,530.28
  6. Step 6: Final answer
    x = 53,406.82

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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.