Home / 53,743.89-80,648.24-18,708.15

Finding the Fourth Proportional to 53,743.89, 80,648.24 and 18,708.15

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Solution

The fourth proportional to 53,743.89, 80,648.24 and 18,708.15 is: 28,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.89 : 80,648.24 = 18,708.15 : x
  2. Step 2: Convert to fraction form
    53,743.89/80,648.24 = 18,708.15/x
  3. Step 3: Cross multiply
    53,743.89x = 80,648.24 × 18,708.15
  4. Step 4: Simplify right side
    53,743.89x = 1,508,779,277.62
  5. Step 5: Solve for x
    x = 1,508,779,277.62/53,743.89
  6. Step 6: Final answer
    x = 28,073.50

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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.