Home / 38,881.47-58,338.60-19,160.19

Finding the Fourth Proportional to 38,881.47, 58,338.60 and 19,160.19

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Solution

The fourth proportional to 38,881.47, 58,338.60 and 19,160.19 is: 28,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.47 : 58,338.60 = 19,160.19 : x
  2. Step 2: Convert to fraction form
    38,881.47/58,338.60 = 19,160.19/x
  3. Step 3: Cross multiply
    38,881.47x = 58,338.60 × 19,160.19
  4. Step 4: Simplify right side
    38,881.47x = 1,117,778,660.33
  5. Step 5: Solve for x
    x = 1,117,778,660.33/38,881.47
  6. Step 6: Final answer
    x = 28,748.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.