Home / 34,443.80-47,533.68-20,112.92

Finding the Fourth Proportional to 34,443.80, 47,533.68 and 20,112.92

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Solution

The fourth proportional to 34,443.80, 47,533.68 and 20,112.92 is: 27,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,443.80 : 47,533.68 = 20,112.92 : x
  2. Step 2: Convert to fraction form
    34,443.80/47,533.68 = 20,112.92/x
  3. Step 3: Cross multiply
    34,443.80x = 47,533.68 × 20,112.92
  4. Step 4: Simplify right side
    34,443.80x = 956,041,103.15
  5. Step 5: Solve for x
    x = 956,041,103.15/34,443.80
  6. Step 6: Final answer
    x = 27,756.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.