Home / 53,132.67-79,745.49-28,191.15

Finding the Fourth Proportional to 53,132.67, 79,745.49 and 28,191.15

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Solution

The fourth proportional to 53,132.67, 79,745.49 and 28,191.15 is: 42,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,132.67 : 79,745.49 = 28,191.15 : x
  2. Step 2: Convert to fraction form
    53,132.67/79,745.49 = 28,191.15/x
  3. Step 3: Cross multiply
    53,132.67x = 79,745.49 × 28,191.15
  4. Step 4: Simplify right side
    53,132.67x = 2,248,117,070.41
  5. Step 5: Solve for x
    x = 2,248,117,070.41/53,132.67
  6. Step 6: Final answer
    x = 42,311.39

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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.