Home / 31,610.76-47,443.32-12,901.08

Finding the Fourth Proportional to 31,610.76, 47,443.32 and 12,901.08

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Solution

The fourth proportional to 31,610.76, 47,443.32 and 12,901.08 is: 19,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.76 : 47,443.32 = 12,901.08 : x
  2. Step 2: Convert to fraction form
    31,610.76/47,443.32 = 12,901.08/x
  3. Step 3: Cross multiply
    31,610.76x = 47,443.32 × 12,901.08
  4. Step 4: Simplify right side
    31,610.76x = 612,070,066.79
  5. Step 5: Solve for x
    x = 612,070,066.79/31,610.76
  6. Step 6: Final answer
    x = 19,362.71

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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.