Home / 31,760.80-43,834.40-18,332.16

Finding the Fourth Proportional to 31,760.80, 43,834.40 and 18,332.16

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Solution

The fourth proportional to 31,760.80, 43,834.40 and 18,332.16 is: 25,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.80 : 43,834.40 = 18,332.16 : x
  2. Step 2: Convert to fraction form
    31,760.80/43,834.40 = 18,332.16/x
  3. Step 3: Cross multiply
    31,760.80x = 43,834.40 × 18,332.16
  4. Step 4: Simplify right side
    31,760.80x = 803,579,234.30
  5. Step 5: Solve for x
    x = 803,579,234.30/31,760.80
  6. Step 6: Final answer
    x = 25,300.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.