Home / 31,125.52-46,688.24-10,083.20

Finding the Fourth Proportional to 31,125.52, 46,688.24 and 10,083.20

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Solution

The fourth proportional to 31,125.52, 46,688.24 and 10,083.20 is: 15,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.52 : 46,688.24 = 10,083.20 : x
  2. Step 2: Convert to fraction form
    31,125.52/46,688.24 = 10,083.20/x
  3. Step 3: Cross multiply
    31,125.52x = 46,688.24 × 10,083.20
  4. Step 4: Simplify right side
    31,125.52x = 470,766,861.57
  5. Step 5: Solve for x
    x = 470,766,861.57/31,125.52
  6. Step 6: Final answer
    x = 15,124.79

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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.