Home / 40,327.50-55,648.77-22,421.40

Finding the Fourth Proportional to 40,327.50, 55,648.77 and 22,421.40

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Solution

The fourth proportional to 40,327.50, 55,648.77 and 22,421.40 is: 30,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.50 : 55,648.77 = 22,421.40 : x
  2. Step 2: Convert to fraction form
    40,327.50/55,648.77 = 22,421.40/x
  3. Step 3: Cross multiply
    40,327.50x = 55,648.77 × 22,421.40
  4. Step 4: Simplify right side
    40,327.50x = 1,247,723,331.68
  5. Step 5: Solve for x
    x = 1,247,723,331.68/40,327.50
  6. Step 6: Final answer
    x = 30,939.76

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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.