Home / 44,333.40-66,519.30-20,947.80

Finding the Fourth Proportional to 44,333.40, 66,519.30 and 20,947.80

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Solution

The fourth proportional to 44,333.40, 66,519.30 and 20,947.80 is: 31,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,333.40 : 66,519.30 = 20,947.80 : x
  2. Step 2: Convert to fraction form
    44,333.40/66,519.30 = 20,947.80/x
  3. Step 3: Cross multiply
    44,333.40x = 66,519.30 × 20,947.80
  4. Step 4: Simplify right side
    44,333.40x = 1,393,432,992.54
  5. Step 5: Solve for x
    x = 1,393,432,992.54/44,333.40
  6. Step 6: Final answer
    x = 31,430.77

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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.