Home / 57,622.56-86,432.19-31,492.80

Finding the Fourth Proportional to 57,622.56, 86,432.19 and 31,492.80

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Solution

The fourth proportional to 57,622.56, 86,432.19 and 31,492.80 is: 47,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.56 : 86,432.19 = 31,492.80 : x
  2. Step 2: Convert to fraction form
    57,622.56/86,432.19 = 31,492.80/x
  3. Step 3: Cross multiply
    57,622.56x = 86,432.19 × 31,492.80
  4. Step 4: Simplify right side
    57,622.56x = 2,721,991,673.23
  5. Step 5: Solve for x
    x = 2,721,991,673.23/57,622.56
  6. Step 6: Final answer
    x = 47,238.30

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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.