Home / 53,480.55-80,218.65-18,445.35

Finding the Fourth Proportional to 53,480.55, 80,218.65 and 18,445.35

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Solution

The fourth proportional to 53,480.55, 80,218.65 and 18,445.35 is: 27,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.55 : 80,218.65 = 18,445.35 : x
  2. Step 2: Convert to fraction form
    53,480.55/80,218.65 = 18,445.35/x
  3. Step 3: Cross multiply
    53,480.55x = 80,218.65 × 18,445.35
  4. Step 4: Simplify right side
    53,480.55x = 1,479,661,075.78
  5. Step 5: Solve for x
    x = 1,479,661,075.78/53,480.55
  6. Step 6: Final answer
    x = 27,667.27

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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.