Home / 71,653.04-107,479.41-19,062.51

Finding the Fourth Proportional to 71,653.04, 107,479.41 and 19,062.51

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Solution

The fourth proportional to 71,653.04, 107,479.41 and 19,062.51 is: 28,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,653.04 : 107,479.41 = 19,062.51 : x
  2. Step 2: Convert to fraction form
    71,653.04/107,479.41 = 19,062.51/x
  3. Step 3: Cross multiply
    71,653.04x = 107,479.41 × 19,062.51
  4. Step 4: Simplify right side
    71,653.04x = 2,048,827,327.92
  5. Step 5: Solve for x
    x = 2,048,827,327.92/71,653.04
  6. Step 6: Final answer
    x = 28,593.73

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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.