Home / 38,729.36-53,462.80-26,171.12

Finding the Fourth Proportional to 38,729.36, 53,462.80 and 26,171.12

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Solution

The fourth proportional to 38,729.36, 53,462.80 and 26,171.12 is: 36,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.36 : 53,462.80 = 26,171.12 : x
  2. Step 2: Convert to fraction form
    38,729.36/53,462.80 = 26,171.12/x
  3. Step 3: Cross multiply
    38,729.36x = 53,462.80 × 26,171.12
  4. Step 4: Simplify right side
    38,729.36x = 1,399,181,354.34
  5. Step 5: Solve for x
    x = 1,399,181,354.34/38,729.36
  6. Step 6: Final answer
    x = 36,127.15

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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.