Home / 53,468.30-80,209.65-18,418.70

Finding the Fourth Proportional to 53,468.30, 80,209.65 and 18,418.70

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Solution

The fourth proportional to 53,468.30, 80,209.65 and 18,418.70 is: 27,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,468.30 : 80,209.65 = 18,418.70 : x
  2. Step 2: Convert to fraction form
    53,468.30/80,209.65 = 18,418.70/x
  3. Step 3: Cross multiply
    53,468.30x = 80,209.65 × 18,418.70
  4. Step 4: Simplify right side
    53,468.30x = 1,477,357,480.46
  5. Step 5: Solve for x
    x = 1,477,357,480.46/53,468.30
  6. Step 6: Final answer
    x = 27,630.53

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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.