Home / 31,575.65-47,371.05-10,515.88

Finding the Fourth Proportional to 31,575.65, 47,371.05 and 10,515.88

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Solution

The fourth proportional to 31,575.65, 47,371.05 and 10,515.88 is: 15,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.65 : 47,371.05 = 10,515.88 : x
  2. Step 2: Convert to fraction form
    31,575.65/47,371.05 = 10,515.88/x
  3. Step 3: Cross multiply
    31,575.65x = 47,371.05 × 10,515.88
  4. Step 4: Simplify right side
    31,575.65x = 498,148,277.27
  5. Step 5: Solve for x
    x = 498,148,277.27/31,575.65
  6. Step 6: Final answer
    x = 15,776.34

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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.