Home / 38,566.19-53,220.27-21,570.47

Finding the Fourth Proportional to 38,566.19, 53,220.27 and 21,570.47

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Solution

The fourth proportional to 38,566.19, 53,220.27 and 21,570.47 is: 29,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566.19 : 53,220.27 = 21,570.47 : x
  2. Step 2: Convert to fraction form
    38,566.19/53,220.27 = 21,570.47/x
  3. Step 3: Cross multiply
    38,566.19x = 53,220.27 × 21,570.47
  4. Step 4: Simplify right side
    38,566.19x = 1,147,986,251.79
  5. Step 5: Solve for x
    x = 1,147,986,251.79/38,566.19
  6. Step 6: Final answer
    x = 29,766.65

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Double scale
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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.