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Finding the Fourth Proportional to 57,575, 79,453.68 and 32,425.04

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Solution

The fourth proportional to 57,575, 79,453.68 and 32,425.04 is: 44,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575 : 79,453.68 = 32,425.04 : x
  2. Step 2: Convert to fraction form
    57,575/79,453.68 = 32,425.04/x
  3. Step 3: Cross multiply
    57,575x = 79,453.68 × 32,425.04
  4. Step 4: Simplify right side
    57,575x = 2,576,288,752.15
  5. Step 5: Solve for x
    x = 2,576,288,752.15/57,575
  6. Step 6: Final answer
    x = 44,746.66

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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.