Home / 38,156.40-52,657.20-22,238.28

Finding the Fourth Proportional to 38,156.40, 52,657.20 and 22,238.28

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Solution

The fourth proportional to 38,156.40, 52,657.20 and 22,238.28 is: 30,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.40 : 52,657.20 = 22,238.28 : x
  2. Step 2: Convert to fraction form
    38,156.40/52,657.20 = 22,238.28/x
  3. Step 3: Cross multiply
    38,156.40x = 52,657.20 × 22,238.28
  4. Step 4: Simplify right side
    38,156.40x = 1,171,005,557.62
  5. Step 5: Solve for x
    x = 1,171,005,557.62/38,156.40
  6. Step 6: Final answer
    x = 30,689.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.