Home / 55,315.46-82,947.27-20,230.58

Finding the Fourth Proportional to 55,315.46, 82,947.27 and 20,230.58

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Solution

The fourth proportional to 55,315.46, 82,947.27 and 20,230.58 is: 30,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.46 : 82,947.27 = 20,230.58 : x
  2. Step 2: Convert to fraction form
    55,315.46/82,947.27 = 20,230.58/x
  3. Step 3: Cross multiply
    55,315.46x = 82,947.27 × 20,230.58
  4. Step 4: Simplify right side
    55,315.46x = 1,678,071,381.52
  5. Step 5: Solve for x
    x = 1,678,071,381.52/55,315.46
  6. Step 6: Final answer
    x = 30,336.39

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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.