Home / 35,519.68-53,262.24-18,887.68

Finding the Fourth Proportional to 35,519.68, 53,262.24 and 18,887.68

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Solution

The fourth proportional to 35,519.68, 53,262.24 and 18,887.68 is: 28,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.68 : 53,262.24 = 18,887.68 : x
  2. Step 2: Convert to fraction form
    35,519.68/53,262.24 = 18,887.68/x
  3. Step 3: Cross multiply
    35,519.68x = 53,262.24 × 18,887.68
  4. Step 4: Simplify right side
    35,519.68x = 1,006,000,145.20
  5. Step 5: Solve for x
    x = 1,006,000,145.20/35,519.68
  6. Step 6: Final answer
    x = 28,322.33

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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.