Home / 45,746.21-68,612.30-12,468.95

Finding the Fourth Proportional to 45,746.21, 68,612.30 and 12,468.95

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Solution

The fourth proportional to 45,746.21, 68,612.30 and 12,468.95 is: 18,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746.21 : 68,612.30 = 12,468.95 : x
  2. Step 2: Convert to fraction form
    45,746.21/68,612.30 = 12,468.95/x
  3. Step 3: Cross multiply
    45,746.21x = 68,612.30 × 12,468.95
  4. Step 4: Simplify right side
    45,746.21x = 855,523,338.09
  5. Step 5: Solve for x
    x = 855,523,338.09/45,746.21
  6. Step 6: Final answer
    x = 18,701.51

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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.