Home / 53,712.03-80,544.15-28,747.29

Finding the Fourth Proportional to 53,712.03, 80,544.15 and 28,747.29

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Solution

The fourth proportional to 53,712.03, 80,544.15 and 28,747.29 is: 43,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.03 : 80,544.15 = 28,747.29 : x
  2. Step 2: Convert to fraction form
    53,712.03/80,544.15 = 28,747.29/x
  3. Step 3: Cross multiply
    53,712.03x = 80,544.15 × 28,747.29
  4. Step 4: Simplify right side
    53,712.03x = 2,315,426,037.85
  5. Step 5: Solve for x
    x = 2,315,426,037.85/53,712.03
  6. Step 6: Final answer
    x = 43,108.15

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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.