Home / 53,470.80-80,205.28-18,409.68

Finding the Fourth Proportional to 53,470.80, 80,205.28 and 18,409.68

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Solution

The fourth proportional to 53,470.80, 80,205.28 and 18,409.68 is: 27,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,470.80 : 80,205.28 = 18,409.68 : x
  2. Step 2: Convert to fraction form
    53,470.80/80,205.28 = 18,409.68/x
  3. Step 3: Cross multiply
    53,470.80x = 80,205.28 × 18,409.68
  4. Step 4: Simplify right side
    53,470.80x = 1,476,553,539.11
  5. Step 5: Solve for x
    x = 1,476,553,539.11/53,470.80
  6. Step 6: Final answer
    x = 27,614.20

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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.