Home / 40,156.34-55,415.86-22,251.20

Finding the Fourth Proportional to 40,156.34, 55,415.86 and 22,251.20

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Solution

The fourth proportional to 40,156.34, 55,415.86 and 22,251.20 is: 30,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.34 : 55,415.86 = 22,251.20 : x
  2. Step 2: Convert to fraction form
    40,156.34/55,415.86 = 22,251.20/x
  3. Step 3: Cross multiply
    40,156.34x = 55,415.86 × 22,251.20
  4. Step 4: Simplify right side
    40,156.34x = 1,233,069,384.03
  5. Step 5: Solve for x
    x = 1,233,069,384.03/40,156.34
  6. Step 6: Final answer
    x = 30,706.72

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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.