Home / 71,526.66-107,289.98-38,145.59

Finding the Fourth Proportional to 71,526.66, 107,289.98 and 38,145.59

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Solution

The fourth proportional to 71,526.66, 107,289.98 and 38,145.59 is: 57,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,526.66 : 107,289.98 = 38,145.59 : x
  2. Step 2: Convert to fraction form
    71,526.66/107,289.98 = 38,145.59/x
  3. Step 3: Cross multiply
    71,526.66x = 107,289.98 × 38,145.59
  4. Step 4: Simplify right side
    71,526.66x = 4,092,639,588.19
  5. Step 5: Solve for x
    x = 4,092,639,588.19/71,526.66
  6. Step 6: Final answer
    x = 57,218.38

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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.