Home / 53,233.05-79,844.18-18,172.20

Finding the Fourth Proportional to 53,233.05, 79,844.18 and 18,172.20

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Solution

The fourth proportional to 53,233.05, 79,844.18 and 18,172.20 is: 27,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,233.05 : 79,844.18 = 18,172.20 : x
  2. Step 2: Convert to fraction form
    53,233.05/79,844.18 = 18,172.20/x
  3. Step 3: Cross multiply
    53,233.05x = 79,844.18 × 18,172.20
  4. Step 4: Simplify right side
    53,233.05x = 1,450,944,316.94
  5. Step 5: Solve for x
    x = 1,450,944,316.94/53,233.05
  6. Step 6: Final answer
    x = 27,256.46

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1.5x scale

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.