Home / 40,458.51-60,661.62-19,398.06

Finding the Fourth Proportional to 40,458.51, 60,661.62 and 19,398.06

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Solution

The fourth proportional to 40,458.51, 60,661.62 and 19,398.06 is: 29,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.51 : 60,661.62 = 19,398.06 : x
  2. Step 2: Convert to fraction form
    40,458.51/60,661.62 = 19,398.06/x
  3. Step 3: Cross multiply
    40,458.51x = 60,661.62 × 19,398.06
  4. Step 4: Simplify right side
    40,458.51x = 1,176,717,744.46
  5. Step 5: Solve for x
    x = 1,176,717,744.46/40,458.51
  6. Step 6: Final answer
    x = 29,084.55

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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.