Home / 47,225.16-70,818.84-20,912.04

Finding the Fourth Proportional to 47,225.16, 70,818.84 and 20,912.04

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Solution

The fourth proportional to 47,225.16, 70,818.84 and 20,912.04 is: 31,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,225.16 : 70,818.84 = 20,912.04 : x
  2. Step 2: Convert to fraction form
    47,225.16/70,818.84 = 20,912.04/x
  3. Step 3: Cross multiply
    47,225.16x = 70,818.84 × 20,912.04
  4. Step 4: Simplify right side
    47,225.16x = 1,480,966,414.83
  5. Step 5: Solve for x
    x = 1,480,966,414.83/47,225.16
  6. Step 6: Final answer
    x = 31,359.69

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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.