Home / 43,247.40-64,919.70-33,430.20

Finding the Fourth Proportional to 43,247.40, 64,919.70 and 33,430.20

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Solution

The fourth proportional to 43,247.40, 64,919.70 and 33,430.20 is: 50,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,247.40 : 64,919.70 = 33,430.20 : x
  2. Step 2: Convert to fraction form
    43,247.40/64,919.70 = 33,430.20/x
  3. Step 3: Cross multiply
    43,247.40x = 64,919.70 × 33,430.20
  4. Step 4: Simplify right side
    43,247.40x = 2,170,278,554.94
  5. Step 5: Solve for x
    x = 2,170,278,554.94/43,247.40
  6. Step 6: Final answer
    x = 50,182.87

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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.