Home / 32,421.78-44,744.13-18,269.46

Finding the Fourth Proportional to 32,421.78, 44,744.13 and 18,269.46

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Solution

The fourth proportional to 32,421.78, 44,744.13 and 18,269.46 is: 25,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.78 : 44,744.13 = 18,269.46 : x
  2. Step 2: Convert to fraction form
    32,421.78/44,744.13 = 18,269.46/x
  3. Step 3: Cross multiply
    32,421.78x = 44,744.13 × 18,269.46
  4. Step 4: Simplify right side
    32,421.78x = 817,451,093.27
  5. Step 5: Solve for x
    x = 817,451,093.27/32,421.78
  6. Step 6: Final answer
    x = 25,213.02

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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.