Home / 57,431.46-79,255.40-32,280.96

Finding the Fourth Proportional to 57,431.46, 79,255.40 and 32,280.96

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Solution

The fourth proportional to 57,431.46, 79,255.40 and 32,280.96 is: 44,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.46 : 79,255.40 = 32,280.96 : x
  2. Step 2: Convert to fraction form
    57,431.46/79,255.40 = 32,280.96/x
  3. Step 3: Cross multiply
    57,431.46x = 79,255.40 × 32,280.96
  4. Step 4: Simplify right side
    57,431.46x = 2,558,440,397.18
  5. Step 5: Solve for x
    x = 2,558,440,397.18/57,431.46
  6. Step 6: Final answer
    x = 44,547.72

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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.