Home / 31,098.20-46,647.30-15,513.80

Finding the Fourth Proportional to 31,098.20, 46,647.30 and 15,513.80

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Solution

The fourth proportional to 31,098.20, 46,647.30 and 15,513.80 is: 23,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,098.20 : 46,647.30 = 15,513.80 : x
  2. Step 2: Convert to fraction form
    31,098.20/46,647.30 = 15,513.80/x
  3. Step 3: Cross multiply
    31,098.20x = 46,647.30 × 15,513.80
  4. Step 4: Simplify right side
    31,098.20x = 723,676,882.74
  5. Step 5: Solve for x
    x = 723,676,882.74/31,098.20
  6. Step 6: Final answer
    x = 23,270.70

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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.