Home / 71,526.16-107,289.24-38,145.09

Finding the Fourth Proportional to 71,526.16, 107,289.24 and 38,145.09

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Solution

The fourth proportional to 71,526.16, 107,289.24 and 38,145.09 is: 57,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,526.16 : 107,289.24 = 38,145.09 : x
  2. Step 2: Convert to fraction form
    71,526.16/107,289.24 = 38,145.09/x
  3. Step 3: Cross multiply
    71,526.16x = 107,289.24 × 38,145.09
  4. Step 4: Simplify right side
    71,526.16x = 4,092,557,525.11
  5. Step 5: Solve for x
    x = 4,092,557,525.11/71,526.16
  6. Step 6: Final answer
    x = 57,217.64

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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.