Home / 40,346.16-55,676.90-22,440.78

Finding the Fourth Proportional to 40,346.16, 55,676.90 and 22,440.78

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Solution

The fourth proportional to 40,346.16, 55,676.90 and 22,440.78 is: 30,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.16 : 55,676.90 = 22,440.78 : x
  2. Step 2: Convert to fraction form
    40,346.16/55,676.90 = 22,440.78/x
  3. Step 3: Cross multiply
    40,346.16x = 55,676.90 × 22,440.78
  4. Step 4: Simplify right side
    40,346.16x = 1,249,432,673.39
  5. Step 5: Solve for x
    x = 1,249,432,673.39/40,346.16
  6. Step 6: Final answer
    x = 30,967.83

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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.