Home / 53,531.40-80,311.71-18,476.22

Finding the Fourth Proportional to 53,531.40, 80,311.71 and 18,476.22

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Solution

The fourth proportional to 53,531.40, 80,311.71 and 18,476.22 is: 27,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.40 : 80,311.71 = 18,476.22 : x
  2. Step 2: Convert to fraction form
    53,531.40/80,311.71 = 18,476.22/x
  3. Step 3: Cross multiply
    53,531.40x = 80,311.71 × 18,476.22
  4. Step 4: Simplify right side
    53,531.40x = 1,483,856,822.54
  5. Step 5: Solve for x
    x = 1,483,856,822.54/53,531.40
  6. Step 6: Final answer
    x = 27,719.37

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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.