Home / 29,019.45-40,055.22-18,810.14

Finding the Fourth Proportional to 29,019.45, 40,055.22 and 18,810.14

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Solution

The fourth proportional to 29,019.45, 40,055.22 and 18,810.14 is: 25,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.45 : 40,055.22 = 18,810.14 : x
  2. Step 2: Convert to fraction form
    29,019.45/40,055.22 = 18,810.14/x
  3. Step 3: Cross multiply
    29,019.45x = 40,055.22 × 18,810.14
  4. Step 4: Simplify right side
    29,019.45x = 753,444,095.65
  5. Step 5: Solve for x
    x = 753,444,095.65/29,019.45
  6. Step 6: Final answer
    x = 25,963.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.