Home / 53,207.51-79,812.05-15,771.38

Finding the Fourth Proportional to 53,207.51, 79,812.05 and 15,771.38

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Solution

The fourth proportional to 53,207.51, 79,812.05 and 15,771.38 is: 23,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,207.51 : 79,812.05 = 15,771.38 : x
  2. Step 2: Convert to fraction form
    53,207.51/79,812.05 = 15,771.38/x
  3. Step 3: Cross multiply
    53,207.51x = 79,812.05 × 15,771.38
  4. Step 4: Simplify right side
    53,207.51x = 1,258,746,169.13
  5. Step 5: Solve for x
    x = 1,258,746,169.13/53,207.51
  6. Step 6: Final answer
    x = 23,657.30

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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.