Home / 53,689.48-80,502.42-16,238.20

Finding the Fourth Proportional to 53,689.48, 80,502.42 and 16,238.20

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Solution

The fourth proportional to 53,689.48, 80,502.42 and 16,238.20 is: 24,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.48 : 80,502.42 = 16,238.20 : x
  2. Step 2: Convert to fraction form
    53,689.48/80,502.42 = 16,238.20/x
  3. Step 3: Cross multiply
    53,689.48x = 80,502.42 × 16,238.20
  4. Step 4: Simplify right side
    53,689.48x = 1,307,214,396.44
  5. Step 5: Solve for x
    x = 1,307,214,396.44/53,689.48
  6. Step 6: Final answer
    x = 24,347.68

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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.