Home / 53,531.88-80,303.28-18,471.43

Finding the Fourth Proportional to 53,531.88, 80,303.28 and 18,471.43

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Solution

The fourth proportional to 53,531.88, 80,303.28 and 18,471.43 is: 27,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.88 : 80,303.28 = 18,471.43 : x
  2. Step 2: Convert to fraction form
    53,531.88/80,303.28 = 18,471.43/x
  3. Step 3: Cross multiply
    53,531.88x = 80,303.28 × 18,471.43
  4. Step 4: Simplify right side
    53,531.88x = 1,483,316,415.29
  5. Step 5: Solve for x
    x = 1,483,316,415.29/53,531.88
  6. Step 6: Final answer
    x = 27,709.03

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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.