Home / 38,019.20-57,023.40-13,060.40

Finding the Fourth Proportional to 38,019.20, 57,023.40 and 13,060.40

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Solution

The fourth proportional to 38,019.20, 57,023.40 and 13,060.40 is: 19,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.20 : 57,023.40 = 13,060.40 : x
  2. Step 2: Convert to fraction form
    38,019.20/57,023.40 = 13,060.40/x
  3. Step 3: Cross multiply
    38,019.20x = 57,023.40 × 13,060.40
  4. Step 4: Simplify right side
    38,019.20x = 744,748,413.36
  5. Step 5: Solve for x
    x = 744,748,413.36/38,019.20
  6. Step 6: Final answer
    x = 19,588.74

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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.