Home / 40,307.22-60,451.11-12,605.22

Finding the Fourth Proportional to 40,307.22, 60,451.11 and 12,605.22

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Solution

The fourth proportional to 40,307.22, 60,451.11 and 12,605.22 is: 18,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.22 : 60,451.11 = 12,605.22 : x
  2. Step 2: Convert to fraction form
    40,307.22/60,451.11 = 12,605.22/x
  3. Step 3: Cross multiply
    40,307.22x = 60,451.11 × 12,605.22
  4. Step 4: Simplify right side
    40,307.22x = 761,999,540.79
  5. Step 5: Solve for x
    x = 761,999,540.79/40,307.22
  6. Step 6: Final answer
    x = 18,904.79

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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.