Home / 40,307.72-60,451.86-12,605.72

Finding the Fourth Proportional to 40,307.72, 60,451.86 and 12,605.72

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Solution

The fourth proportional to 40,307.72, 60,451.86 and 12,605.72 is: 18,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.72 : 60,451.86 = 12,605.72 : x
  2. Step 2: Convert to fraction form
    40,307.72/60,451.86 = 12,605.72/x
  3. Step 3: Cross multiply
    40,307.72x = 60,451.86 × 12,605.72
  4. Step 4: Simplify right side
    40,307.72x = 762,039,220.64
  5. Step 5: Solve for x
    x = 762,039,220.64/40,307.72
  6. Step 6: Final answer
    x = 18,905.54

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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.