Home / 31,948.12-47,886.34-10,868.48

Finding the Fourth Proportional to 31,948.12, 47,886.34 and 10,868.48

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Solution

The fourth proportional to 31,948.12, 47,886.34 and 10,868.48 is: 16,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,948.12 : 47,886.34 = 10,868.48 : x
  2. Step 2: Convert to fraction form
    31,948.12/47,886.34 = 10,868.48/x
  3. Step 3: Cross multiply
    31,948.12x = 47,886.34 × 10,868.48
  4. Step 4: Simplify right side
    31,948.12x = 520,451,661.91
  5. Step 5: Solve for x
    x = 520,451,661.91/31,948.12
  6. Step 6: Final answer
    x = 16,290.52

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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.