Home / 38,717.47-53,417.46-22,581.10

Finding the Fourth Proportional to 38,717.47, 53,417.46 and 22,581.10

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Solution

The fourth proportional to 38,717.47, 53,417.46 and 22,581.10 is: 31,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.47 : 53,417.46 = 22,581.10 : x
  2. Step 2: Convert to fraction form
    38,717.47/53,417.46 = 22,581.10/x
  3. Step 3: Cross multiply
    38,717.47x = 53,417.46 × 22,581.10
  4. Step 4: Simplify right side
    38,717.47x = 1,206,225,006.01
  5. Step 5: Solve for x
    x = 1,206,225,006.01/38,717.47
  6. Step 6: Final answer
    x = 31,154.54

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Double scale
Find fourth proportional to 38,718.47, 53,418.84 and 22,582.10
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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.