Home / 38,747.16-53,122.68-38,047.32

Finding the Fourth Proportional to 38,747.16, 53,122.68 and 38,047.32

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Solution

The fourth proportional to 38,747.16, 53,122.68 and 38,047.32 is: 52,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.16 : 53,122.68 = 38,047.32 : x
  2. Step 2: Convert to fraction form
    38,747.16/53,122.68 = 38,047.32/x
  3. Step 3: Cross multiply
    38,747.16x = 53,122.68 × 38,047.32
  4. Step 4: Simplify right side
    38,747.16x = 2,021,175,605.22
  5. Step 5: Solve for x
    x = 2,021,175,605.22/38,747.16
  6. Step 6: Final answer
    x = 52,163.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.