Home / 31,488.91-43,394.90-22,520.84

Finding the Fourth Proportional to 31,488.91, 43,394.90 and 22,520.84

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Solution

The fourth proportional to 31,488.91, 43,394.90 and 22,520.84 is: 31,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.91 : 43,394.90 = 22,520.84 : x
  2. Step 2: Convert to fraction form
    31,488.91/43,394.90 = 22,520.84/x
  3. Step 3: Cross multiply
    31,488.91x = 43,394.90 × 22,520.84
  4. Step 4: Simplify right side
    31,488.91x = 977,289,270.14
  5. Step 5: Solve for x
    x = 977,289,270.14/31,488.91
  6. Step 6: Final answer
    x = 31,035.99

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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.