Home / 53,213.01-79,827.68-18,144.46

Finding the Fourth Proportional to 53,213.01, 79,827.68 and 18,144.46

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Solution

The fourth proportional to 53,213.01, 79,827.68 and 18,144.46 is: 27,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.01 : 79,827.68 = 18,144.46 : x
  2. Step 2: Convert to fraction form
    53,213.01/79,827.68 = 18,144.46/x
  3. Step 3: Cross multiply
    53,213.01x = 79,827.68 × 18,144.46
  4. Step 4: Simplify right side
    53,213.01x = 1,448,430,146.65
  5. Step 5: Solve for x
    x = 1,448,430,146.65/53,213.01
  6. Step 6: Final answer
    x = 27,219.47

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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.