Home / 40,403.24-60,567.44-20,638.20

Finding the Fourth Proportional to 40,403.24, 60,567.44 and 20,638.20

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Solution

The fourth proportional to 40,403.24, 60,567.44 and 20,638.20 is: 30,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.24 : 60,567.44 = 20,638.20 : x
  2. Step 2: Convert to fraction form
    40,403.24/60,567.44 = 20,638.20/x
  3. Step 3: Cross multiply
    40,403.24x = 60,567.44 × 20,638.20
  4. Step 4: Simplify right side
    40,403.24x = 1,250,002,837.02
  5. Step 5: Solve for x
    x = 1,250,002,837.02/40,403.24
  6. Step 6: Final answer
    x = 30,938.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.