Home / 20,535.76-30,805.52-5,744.63

Finding the Fourth Proportional to 20,535.76, 30,805.52 and 5,744.63

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Solution

The fourth proportional to 20,535.76, 30,805.52 and 5,744.63 is: 8,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.76 : 30,805.52 = 5,744.63 : x
  2. Step 2: Convert to fraction form
    20,535.76/30,805.52 = 5,744.63/x
  3. Step 3: Cross multiply
    20,535.76x = 30,805.52 × 5,744.63
  4. Step 4: Simplify right side
    20,535.76x = 176,966,424.14
  5. Step 5: Solve for x
    x = 176,966,424.14/20,535.76
  6. Step 6: Final answer
    x = 8,617.48

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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.