Home / 57,279.84-79,045.20-32,128.80

Finding the Fourth Proportional to 57,279.84, 79,045.20 and 32,128.80

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Solution

The fourth proportional to 57,279.84, 79,045.20 and 32,128.80 is: 44,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,279.84 : 79,045.20 = 32,128.80 : x
  2. Step 2: Convert to fraction form
    57,279.84/79,045.20 = 32,128.80/x
  3. Step 3: Cross multiply
    57,279.84x = 79,045.20 × 32,128.80
  4. Step 4: Simplify right side
    57,279.84x = 2,539,627,421.76
  5. Step 5: Solve for x
    x = 2,539,627,421.76/57,279.84
  6. Step 6: Final answer
    x = 44,337.19

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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.