Home / 40,519.85-60,779.79-10,937.66

Finding the Fourth Proportional to 40,519.85, 60,779.79 and 10,937.66

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Solution

The fourth proportional to 40,519.85, 60,779.79 and 10,937.66 is: 16,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.85 : 60,779.79 = 10,937.66 : x
  2. Step 2: Convert to fraction form
    40,519.85/60,779.79 = 10,937.66/x
  3. Step 3: Cross multiply
    40,519.85x = 60,779.79 × 10,937.66
  4. Step 4: Simplify right side
    40,519.85x = 664,788,373.99
  5. Step 5: Solve for x
    x = 664,788,373.99/40,519.85
  6. Step 6: Final answer
    x = 16,406.49

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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.