Home / 49,009.40-73,319.70-42,507.80

Finding the Fourth Proportional to 49,009.40, 73,319.70 and 42,507.80

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Solution

The fourth proportional to 49,009.40, 73,319.70 and 42,507.80 is: 63,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.40 : 73,319.70 = 42,507.80 : x
  2. Step 2: Convert to fraction form
    49,009.40/73,319.70 = 42,507.80/x
  3. Step 3: Cross multiply
    49,009.40x = 73,319.70 × 42,507.80
  4. Step 4: Simplify right side
    49,009.40x = 3,116,659,143.66
  5. Step 5: Solve for x
    x = 3,116,659,143.66/49,009.40
  6. Step 6: Final answer
    x = 63,593.09

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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.