Home / 52,979.21-79,462.51-17,431.71

Finding the Fourth Proportional to 52,979.21, 79,462.51 and 17,431.71

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Solution

The fourth proportional to 52,979.21, 79,462.51 and 17,431.71 is: 26,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.21 : 79,462.51 = 17,431.71 : x
  2. Step 2: Convert to fraction form
    52,979.21/79,462.51 = 17,431.71/x
  3. Step 3: Cross multiply
    52,979.21x = 79,462.51 × 17,431.71
  4. Step 4: Simplify right side
    52,979.21x = 1,385,167,430.19
  5. Step 5: Solve for x
    x = 1,385,167,430.19/52,979.21
  6. Step 6: Final answer
    x = 26,145.49

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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.