Home / 31,541.76-47,309.40-10,483.20

Finding the Fourth Proportional to 31,541.76, 47,309.40 and 10,483.20

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Solution

The fourth proportional to 31,541.76, 47,309.40 and 10,483.20 is: 15,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.76 : 47,309.40 = 10,483.20 : x
  2. Step 2: Convert to fraction form
    31,541.76/47,309.40 = 10,483.20/x
  3. Step 3: Cross multiply
    31,541.76x = 47,309.40 × 10,483.20
  4. Step 4: Simplify right side
    31,541.76x = 495,953,902.08
  5. Step 5: Solve for x
    x = 495,953,902.08/31,541.76
  6. Step 6: Final answer
    x = 15,723.72

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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.