Home / 48,920.40-73,186.20-42,418.80

Finding the Fourth Proportional to 48,920.40, 73,186.20 and 42,418.80

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Solution

The fourth proportional to 48,920.40, 73,186.20 and 42,418.80 is: 63,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,920.40 : 73,186.20 = 42,418.80 : x
  2. Step 2: Convert to fraction form
    48,920.40/73,186.20 = 42,418.80/x
  3. Step 3: Cross multiply
    48,920.40x = 73,186.20 × 42,418.80
  4. Step 4: Simplify right side
    48,920.40x = 3,104,470,780.56
  5. Step 5: Solve for x
    x = 3,104,470,780.56/48,920.40
  6. Step 6: Final answer
    x = 63,459.64

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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.