Home / 36,419.79-54,619.95-10,125.99

Finding the Fourth Proportional to 36,419.79, 54,619.95 and 10,125.99

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Solution

The fourth proportional to 36,419.79, 54,619.95 and 10,125.99 is: 15,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.79 : 54,619.95 = 10,125.99 : x
  2. Step 2: Convert to fraction form
    36,419.79/54,619.95 = 10,125.99/x
  3. Step 3: Cross multiply
    36,419.79x = 54,619.95 × 10,125.99
  4. Step 4: Simplify right side
    36,419.79x = 553,081,067.50
  5. Step 5: Solve for x
    x = 553,081,067.50/36,419.79
  6. Step 6: Final answer
    x = 15,186.28

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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.