Home / 38,277.90-57,358.53-19,557.18

Finding the Fourth Proportional to 38,277.90, 57,358.53 and 19,557.18

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Solution

The fourth proportional to 38,277.90, 57,358.53 and 19,557.18 is: 29,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.90 : 57,358.53 = 19,557.18 : x
  2. Step 2: Convert to fraction form
    38,277.90/57,358.53 = 19,557.18/x
  3. Step 3: Cross multiply
    38,277.90x = 57,358.53 × 19,557.18
  4. Step 4: Simplify right side
    38,277.90x = 1,121,771,095.75
  5. Step 5: Solve for x
    x = 1,121,771,095.75/38,277.90
  6. Step 6: Final answer
    x = 29,305.97

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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.