Home / 54,937.32-82,405.94-19,868.80

Finding the Fourth Proportional to 54,937.32, 82,405.94 and 19,868.80

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Solution

The fourth proportional to 54,937.32, 82,405.94 and 19,868.80 is: 29,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.32 : 82,405.94 = 19,868.80 : x
  2. Step 2: Convert to fraction form
    54,937.32/82,405.94 = 19,868.80/x
  3. Step 3: Cross multiply
    54,937.32x = 82,405.94 × 19,868.80
  4. Step 4: Simplify right side
    54,937.32x = 1,637,307,140.67
  5. Step 5: Solve for x
    x = 1,637,307,140.67/54,937.32
  6. Step 6: Final answer
    x = 29,803.19

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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.