Home / 48,859.20-67,456.80-30,002.40

Finding the Fourth Proportional to 48,859.20, 67,456.80 and 30,002.40

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Solution

The fourth proportional to 48,859.20, 67,456.80 and 30,002.40 is: 41,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.20 : 67,456.80 = 30,002.40 : x
  2. Step 2: Convert to fraction form
    48,859.20/67,456.80 = 30,002.40/x
  3. Step 3: Cross multiply
    48,859.20x = 67,456.80 × 30,002.40
  4. Step 4: Simplify right side
    48,859.20x = 2,023,865,896.32
  5. Step 5: Solve for x
    x = 2,023,865,896.32/48,859.20
  6. Step 6: Final answer
    x = 41,422.41

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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.