Home / 38,656.13-53,345.45-21,892.37

Finding the Fourth Proportional to 38,656.13, 53,345.45 and 21,892.37

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Solution

The fourth proportional to 38,656.13, 53,345.45 and 21,892.37 is: 30,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.13 : 53,345.45 = 21,892.37 : x
  2. Step 2: Convert to fraction form
    38,656.13/53,345.45 = 21,892.37/x
  3. Step 3: Cross multiply
    38,656.13x = 53,345.45 × 21,892.37
  4. Step 4: Simplify right side
    38,656.13x = 1,167,858,329.22
  5. Step 5: Solve for x
    x = 1,167,858,329.22/38,656.13
  6. Step 6: Final answer
    x = 30,211.47

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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.