Home / 31,919.25-47,888.01-10,863.93

Finding the Fourth Proportional to 31,919.25, 47,888.01 and 10,863.93

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Solution

The fourth proportional to 31,919.25, 47,888.01 and 10,863.93 is: 16,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.25 : 47,888.01 = 10,863.93 : x
  2. Step 2: Convert to fraction form
    31,919.25/47,888.01 = 10,863.93/x
  3. Step 3: Cross multiply
    31,919.25x = 47,888.01 × 10,863.93
  4. Step 4: Simplify right side
    31,919.25x = 520,251,988.48
  5. Step 5: Solve for x
    x = 520,251,988.48/31,919.25
  6. Step 6: Final answer
    x = 16,299.00

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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.