Home / 40,353.78-55,688.65-22,204.74

Finding the Fourth Proportional to 40,353.78, 55,688.65 and 22,204.74

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Solution

The fourth proportional to 40,353.78, 55,688.65 and 22,204.74 is: 30,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,353.78 : 55,688.65 = 22,204.74 : x
  2. Step 2: Convert to fraction form
    40,353.78/55,688.65 = 22,204.74/x
  3. Step 3: Cross multiply
    40,353.78x = 55,688.65 × 22,204.74
  4. Step 4: Simplify right side
    40,353.78x = 1,236,551,994.20
  5. Step 5: Solve for x
    x = 1,236,551,994.20/40,353.78
  6. Step 6: Final answer
    x = 30,642.78

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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.