Home / 38,916.18-53,707.05-22,149.18

Finding the Fourth Proportional to 38,916.18, 53,707.05 and 22,149.18

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Solution

The fourth proportional to 38,916.18, 53,707.05 and 22,149.18 is: 30,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.18 : 53,707.05 = 22,149.18 : x
  2. Step 2: Convert to fraction form
    38,916.18/53,707.05 = 22,149.18/x
  3. Step 3: Cross multiply
    38,916.18x = 53,707.05 × 22,149.18
  4. Step 4: Simplify right side
    38,916.18x = 1,189,567,117.72
  5. Step 5: Solve for x
    x = 1,189,567,117.72/38,916.18
  6. Step 6: Final answer
    x = 30,567.42

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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.