Home / 31,864.48-47,809.76-14,085.73

Finding the Fourth Proportional to 31,864.48, 47,809.76 and 14,085.73

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Solution

The fourth proportional to 31,864.48, 47,809.76 and 14,085.73 is: 21,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.48 : 47,809.76 = 14,085.73 : x
  2. Step 2: Convert to fraction form
    31,864.48/47,809.76 = 14,085.73/x
  3. Step 3: Cross multiply
    31,864.48x = 47,809.76 × 14,085.73
  4. Step 4: Simplify right side
    31,864.48x = 673,435,166.89
  5. Step 5: Solve for x
    x = 673,435,166.89/31,864.48
  6. Step 6: Final answer
    x = 21,134.36

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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.