Home / 53,197.56-79,808.76-18,137.52

Finding the Fourth Proportional to 53,197.56, 79,808.76 and 18,137.52

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Solution

The fourth proportional to 53,197.56, 79,808.76 and 18,137.52 is: 27,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.56 : 79,808.76 = 18,137.52 : x
  2. Step 2: Convert to fraction form
    53,197.56/79,808.76 = 18,137.52/x
  3. Step 3: Cross multiply
    53,197.56x = 79,808.76 × 18,137.52
  4. Step 4: Simplify right side
    53,197.56x = 1,447,532,980.68
  5. Step 5: Solve for x
    x = 1,447,532,980.68/53,197.56
  6. Step 6: Final answer
    x = 27,210.51

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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.