Home / 53,538.24-80,308.62-18,000.06

Finding the Fourth Proportional to 53,538.24, 80,308.62 and 18,000.06

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Solution

The fourth proportional to 53,538.24, 80,308.62 and 18,000.06 is: 27,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,538.24 : 80,308.62 = 18,000.06 : x
  2. Step 2: Convert to fraction form
    53,538.24/80,308.62 = 18,000.06/x
  3. Step 3: Cross multiply
    53,538.24x = 80,308.62 × 18,000.06
  4. Step 4: Simplify right side
    53,538.24x = 1,445,559,978.52
  5. Step 5: Solve for x
    x = 1,445,559,978.52/53,538.24
  6. Step 6: Final answer
    x = 27,000.51

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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.