Home / 40,465.84-60,698.76-12,766

Finding the Fourth Proportional to 40,465.84, 60,698.76 and 12,766

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Solution

The fourth proportional to 40,465.84, 60,698.76 and 12,766 is: 19,149

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.84 : 60,698.76 = 12,766 : x
  2. Step 2: Convert to fraction form
    40,465.84/60,698.76 = 12,766/x
  3. Step 3: Cross multiply
    40,465.84x = 60,698.76 × 12,766
  4. Step 4: Simplify right side
    40,465.84x = 774,880,370.16
  5. Step 5: Solve for x
    x = 774,880,370.16/40,465.84
  6. Step 6: Final answer
    x = 19,149

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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.