Home / 40,008.05-55,210.29-22,102.88

Finding the Fourth Proportional to 40,008.05, 55,210.29 and 22,102.88

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Solution

The fourth proportional to 40,008.05, 55,210.29 and 22,102.88 is: 30,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.05 : 55,210.29 = 22,102.88 : x
  2. Step 2: Convert to fraction form
    40,008.05/55,210.29 = 22,102.88/x
  3. Step 3: Cross multiply
    40,008.05x = 55,210.29 × 22,102.88
  4. Step 4: Simplify right side
    40,008.05x = 1,220,306,138.58
  5. Step 5: Solve for x
    x = 1,220,306,138.58/40,008.05
  6. Step 6: Final answer
    x = 30,501.52

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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.