Home / 53,479.20-73,809.02-30,813.85

Finding the Fourth Proportional to 53,479.20, 73,809.02 and 30,813.85

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Solution

The fourth proportional to 53,479.20, 73,809.02 and 30,813.85 is: 42,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.20 : 73,809.02 = 30,813.85 : x
  2. Step 2: Convert to fraction form
    53,479.20/73,809.02 = 30,813.85/x
  3. Step 3: Cross multiply
    53,479.20x = 73,809.02 × 30,813.85
  4. Step 4: Simplify right side
    53,479.20x = 2,274,340,240.22
  5. Step 5: Solve for x
    x = 2,274,340,240.22/53,479.20
  6. Step 6: Final answer
    x = 42,527.56

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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.