Home / 31,995.14-47,894.28-20,877.89

Finding the Fourth Proportional to 31,995.14, 47,894.28 and 20,877.89

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Solution

The fourth proportional to 31,995.14, 47,894.28 and 20,877.89 is: 31,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.14 : 47,894.28 = 20,877.89 : x
  2. Step 2: Convert to fraction form
    31,995.14/47,894.28 = 20,877.89/x
  3. Step 3: Cross multiply
    31,995.14x = 47,894.28 × 20,877.89
  4. Step 4: Simplify right side
    31,995.14x = 999,931,270.00
  5. Step 5: Solve for x
    x = 999,931,270.00/31,995.14
  6. Step 6: Final answer
    x = 31,252.60

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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.