Home / 53,214.37-79,823.61-18,154.02

Finding the Fourth Proportional to 53,214.37, 79,823.61 and 18,154.02

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Solution

The fourth proportional to 53,214.37, 79,823.61 and 18,154.02 is: 27,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.37 : 79,823.61 = 18,154.02 : x
  2. Step 2: Convert to fraction form
    53,214.37/79,823.61 = 18,154.02/x
  3. Step 3: Cross multiply
    53,214.37x = 79,823.61 × 18,154.02
  4. Step 4: Simplify right side
    53,214.37x = 1,449,119,711.75
  5. Step 5: Solve for x
    x = 1,449,119,711.75/53,214.37
  6. Step 6: Final answer
    x = 27,231.74

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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.