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Finding the Fourth Proportional to 38,452.70, 53,063.42 and 22,547.68

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Solution

The fourth proportional to 38,452.70, 53,063.42 and 22,547.68 is: 31,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.70 : 53,063.42 = 22,547.68 : x
  2. Step 2: Convert to fraction form
    38,452.70/53,063.42 = 22,547.68/x
  3. Step 3: Cross multiply
    38,452.70x = 53,063.42 × 22,547.68
  4. Step 4: Simplify right side
    38,452.70x = 1,196,457,013.87
  5. Step 5: Solve for x
    x = 1,196,457,013.87/38,452.70
  6. Step 6: Final answer
    x = 31,115.03

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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.