Home / 31,628.75-47,404.76-23,230.90

Finding the Fourth Proportional to 31,628.75, 47,404.76 and 23,230.90

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Solution

The fourth proportional to 31,628.75, 47,404.76 and 23,230.90 is: 34,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.75 : 47,404.76 = 23,230.90 : x
  2. Step 2: Convert to fraction form
    31,628.75/47,404.76 = 23,230.90/x
  3. Step 3: Cross multiply
    31,628.75x = 47,404.76 × 23,230.90
  4. Step 4: Simplify right side
    31,628.75x = 1,101,255,002.06
  5. Step 5: Solve for x
    x = 1,101,255,002.06/31,628.75
  6. Step 6: Final answer
    x = 34,818.17

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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.