Home / 45,914.04-68,865.57-12,637.47

Finding the Fourth Proportional to 45,914.04, 68,865.57 and 12,637.47

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Solution

The fourth proportional to 45,914.04, 68,865.57 and 12,637.47 is: 18,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,914.04 : 68,865.57 = 12,637.47 : x
  2. Step 2: Convert to fraction form
    45,914.04/68,865.57 = 12,637.47/x
  3. Step 3: Cross multiply
    45,914.04x = 68,865.57 × 12,637.47
  4. Step 4: Simplify right side
    45,914.04x = 870,286,574.91
  5. Step 5: Solve for x
    x = 870,286,574.91/45,914.04
  6. Step 6: Final answer
    x = 18,954.69

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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.