Home / 48,849.40-73,079.70-42,347.80

Finding the Fourth Proportional to 48,849.40, 73,079.70 and 42,347.80

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Solution

The fourth proportional to 48,849.40, 73,079.70 and 42,347.80 is: 63,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.40 : 73,079.70 = 42,347.80 : x
  2. Step 2: Convert to fraction form
    48,849.40/73,079.70 = 42,347.80/x
  3. Step 3: Cross multiply
    48,849.40x = 73,079.70 × 42,347.80
  4. Step 4: Simplify right side
    48,849.40x = 3,094,764,519.66
  5. Step 5: Solve for x
    x = 3,094,764,519.66/48,849.40
  6. Step 6: Final answer
    x = 63,353.17

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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.