Home / 53,115.01-79,653.93-15,665.14

Finding the Fourth Proportional to 53,115.01, 79,653.93 and 15,665.14

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Solution

The fourth proportional to 53,115.01, 79,653.93 and 15,665.14 is: 23,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.01 : 79,653.93 = 15,665.14 : x
  2. Step 2: Convert to fraction form
    53,115.01/79,653.93 = 15,665.14/x
  3. Step 3: Cross multiply
    53,115.01x = 79,653.93 × 15,665.14
  4. Step 4: Simplify right side
    53,115.01x = 1,247,789,965.00
  5. Step 5: Solve for x
    x = 1,247,789,965.00/53,115.01
  6. Step 6: Final answer
    x = 23,492.23

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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.