Home / 53,250.15-79,884.81-18,181.62

Finding the Fourth Proportional to 53,250.15, 79,884.81 and 18,181.62

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Solution

The fourth proportional to 53,250.15, 79,884.81 and 18,181.62 is: 27,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,250.15 : 79,884.81 = 18,181.62 : x
  2. Step 2: Convert to fraction form
    53,250.15/79,884.81 = 18,181.62/x
  3. Step 3: Cross multiply
    53,250.15x = 79,884.81 × 18,181.62
  4. Step 4: Simplify right side
    53,250.15x = 1,452,435,259.19
  5. Step 5: Solve for x
    x = 1,452,435,259.19/53,250.15
  6. Step 6: Final answer
    x = 27,275.70

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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.