Home / 53,403.23-80,104.83-20,130.75

Finding the Fourth Proportional to 53,403.23, 80,104.83 and 20,130.75

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Solution

The fourth proportional to 53,403.23, 80,104.83 and 20,130.75 is: 30,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.23 : 80,104.83 = 20,130.75 : x
  2. Step 2: Convert to fraction form
    53,403.23/80,104.83 = 20,130.75/x
  3. Step 3: Cross multiply
    53,403.23x = 80,104.83 × 20,130.75
  4. Step 4: Simplify right side
    53,403.23x = 1,612,570,306.52
  5. Step 5: Solve for x
    x = 1,612,570,306.52/53,403.23
  6. Step 6: Final answer
    x = 30,196.12

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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.