Home / 38,430.11-57,654.08-15,056.75

Finding the Fourth Proportional to 38,430.11, 57,654.08 and 15,056.75

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Solution

The fourth proportional to 38,430.11, 57,654.08 and 15,056.75 is: 22,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.11 : 57,654.08 = 15,056.75 : x
  2. Step 2: Convert to fraction form
    38,430.11/57,654.08 = 15,056.75/x
  3. Step 3: Cross multiply
    38,430.11x = 57,654.08 × 15,056.75
  4. Step 4: Simplify right side
    38,430.11x = 868,083,069.04
  5. Step 5: Solve for x
    x = 868,083,069.04/38,430.11
  6. Step 6: Final answer
    x = 22,588.62

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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.