Home / 36,638.40-50,560.20-20,723.52

Finding the Fourth Proportional to 36,638.40, 50,560.20 and 20,723.52

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Solution

The fourth proportional to 36,638.40, 50,560.20 and 20,723.52 is: 28,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.40 : 50,560.20 = 20,723.52 : x
  2. Step 2: Convert to fraction form
    36,638.40/50,560.20 = 20,723.52/x
  3. Step 3: Cross multiply
    36,638.40x = 50,560.20 × 20,723.52
  4. Step 4: Simplify right side
    36,638.40x = 1,047,785,315.90
  5. Step 5: Solve for x
    x = 1,047,785,315.90/36,638.40
  6. Step 6: Final answer
    x = 28,598.01

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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.