Home / 53,061.66-79,450.20-28,049.76

Finding the Fourth Proportional to 53,061.66, 79,450.20 and 28,049.76

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Solution

The fourth proportional to 53,061.66, 79,450.20 and 28,049.76 is: 41,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,061.66 : 79,450.20 = 28,049.76 : x
  2. Step 2: Convert to fraction form
    53,061.66/79,450.20 = 28,049.76/x
  3. Step 3: Cross multiply
    53,061.66x = 79,450.20 × 28,049.76
  4. Step 4: Simplify right side
    53,061.66x = 2,228,559,041.95
  5. Step 5: Solve for x
    x = 2,228,559,041.95/53,061.66
  6. Step 6: Final answer
    x = 41,999.42

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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.