Home / 38,456.13-53,071.47-22,545.69

Finding the Fourth Proportional to 38,456.13, 53,071.47 and 22,545.69

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Solution

The fourth proportional to 38,456.13, 53,071.47 and 22,545.69 is: 31,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.13 : 53,071.47 = 22,545.69 : x
  2. Step 2: Convert to fraction form
    38,456.13/53,071.47 = 22,545.69/x
  3. Step 3: Cross multiply
    38,456.13x = 53,071.47 × 22,545.69
  4. Step 4: Simplify right side
    38,456.13x = 1,196,532,910.46
  5. Step 5: Solve for x
    x = 1,196,532,910.46/38,456.13
  6. Step 6: Final answer
    x = 31,114.23

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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.