Home / 38,449.13-57,638.46-13,475.57

Finding the Fourth Proportional to 38,449.13, 57,638.46 and 13,475.57

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Solution

The fourth proportional to 38,449.13, 57,638.46 and 13,475.57 is: 20,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,449.13 : 57,638.46 = 13,475.57 : x
  2. Step 2: Convert to fraction form
    38,449.13/57,638.46 = 13,475.57/x
  3. Step 3: Cross multiply
    38,449.13x = 57,638.46 × 13,475.57
  4. Step 4: Simplify right side
    38,449.13x = 776,710,814.23
  5. Step 5: Solve for x
    x = 776,710,814.23/38,449.13
  6. Step 6: Final answer
    x = 20,201.00

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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.