Home / 31,472.42-47,208.74-11,750.76

Finding the Fourth Proportional to 31,472.42, 47,208.74 and 11,750.76

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Solution

The fourth proportional to 31,472.42, 47,208.74 and 11,750.76 is: 17,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.42 : 47,208.74 = 11,750.76 : x
  2. Step 2: Convert to fraction form
    31,472.42/47,208.74 = 11,750.76/x
  3. Step 3: Cross multiply
    31,472.42x = 47,208.74 × 11,750.76
  4. Step 4: Simplify right side
    31,472.42x = 554,738,514.89
  5. Step 5: Solve for x
    x = 554,738,514.89/31,472.42
  6. Step 6: Final answer
    x = 17,626.18

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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.