Home / 45,838.84-68,758.32-12,559.20

Finding the Fourth Proportional to 45,838.84, 68,758.32 and 12,559.20

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Solution

The fourth proportional to 45,838.84, 68,758.32 and 12,559.20 is: 18,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.84 : 68,758.32 = 12,559.20 : x
  2. Step 2: Convert to fraction form
    45,838.84/68,758.32 = 12,559.20/x
  3. Step 3: Cross multiply
    45,838.84x = 68,758.32 × 12,559.20
  4. Step 4: Simplify right side
    45,838.84x = 863,549,492.54
  5. Step 5: Solve for x
    x = 863,549,492.54/45,838.84
  6. Step 6: Final answer
    x = 18,838.82

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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.