Home / 53,969.40-80,961-18,437.52

Finding the Fourth Proportional to 53,969.40, 80,961 and 18,437.52

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Solution

The fourth proportional to 53,969.40, 80,961 and 18,437.52 is: 27,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,969.40 : 80,961 = 18,437.52 : x
  2. Step 2: Convert to fraction form
    53,969.40/80,961 = 18,437.52/x
  3. Step 3: Cross multiply
    53,969.40x = 80,961 × 18,437.52
  4. Step 4: Simplify right side
    53,969.40x = 1,492,720,056.72
  5. Step 5: Solve for x
    x = 1,492,720,056.72/53,969.40
  6. Step 6: Final answer
    x = 27,658.64

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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.