Home / 21,641.72-32,462.58-20,242.04

Finding the Fourth Proportional to 21,641.72, 32,462.58 and 20,242.04

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Solution

The fourth proportional to 21,641.72, 32,462.58 and 20,242.04 is: 30,363.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.72 : 32,462.58 = 20,242.04 : x
  2. Step 2: Convert to fraction form
    21,641.72/32,462.58 = 20,242.04/x
  3. Step 3: Cross multiply
    21,641.72x = 32,462.58 × 20,242.04
  4. Step 4: Simplify right side
    21,641.72x = 657,108,842.86
  5. Step 5: Solve for x
    x = 657,108,842.86/21,641.72
  6. Step 6: Final answer
    x = 30,363.06

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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.