Home / 48,990.88-67,607.34-29,870.65

Finding the Fourth Proportional to 48,990.88, 67,607.34 and 29,870.65

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Solution

The fourth proportional to 48,990.88, 67,607.34 and 29,870.65 is: 41,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.88 : 67,607.34 = 29,870.65 : x
  2. Step 2: Convert to fraction form
    48,990.88/67,607.34 = 29,870.65/x
  3. Step 3: Cross multiply
    48,990.88x = 67,607.34 × 29,870.65
  4. Step 4: Simplify right side
    48,990.88x = 2,019,475,190.57
  5. Step 5: Solve for x
    x = 2,019,475,190.57/48,990.88
  6. Step 6: Final answer
    x = 41,221.45

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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.