Home / 38,538.72-53,189.52-23,436.12

Finding the Fourth Proportional to 38,538.72, 53,189.52 and 23,436.12

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Solution

The fourth proportional to 38,538.72, 53,189.52 and 23,436.12 is: 32,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.72 : 53,189.52 = 23,436.12 : x
  2. Step 2: Convert to fraction form
    38,538.72/53,189.52 = 23,436.12/x
  3. Step 3: Cross multiply
    38,538.72x = 53,189.52 × 23,436.12
  4. Step 4: Simplify right side
    38,538.72x = 1,246,555,973.46
  5. Step 5: Solve for x
    x = 1,246,555,973.46/38,538.72
  6. Step 6: Final answer
    x = 32,345.55

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Double scale
Find fourth proportional to 38,539.72, 53,190.90 and 23,437.12
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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.