Home / 31,894.06-47,851.35-9,711.72

Finding the Fourth Proportional to 31,894.06, 47,851.35 and 9,711.72

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Solution

The fourth proportional to 31,894.06, 47,851.35 and 9,711.72 is: 14,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.06 : 47,851.35 = 9,711.72 : x
  2. Step 2: Convert to fraction form
    31,894.06/47,851.35 = 9,711.72/x
  3. Step 3: Cross multiply
    31,894.06x = 47,851.35 × 9,711.72
  4. Step 4: Simplify right side
    31,894.06x = 464,718,912.82
  5. Step 5: Solve for x
    x = 464,718,912.82/31,894.06
  6. Step 6: Final answer
    x = 14,570.70

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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.