Home / 52,037.68-71,804.30-30,519.28

Finding the Fourth Proportional to 52,037.68, 71,804.30 and 30,519.28

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Solution

The fourth proportional to 52,037.68, 71,804.30 and 30,519.28 is: 42,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,037.68 : 71,804.30 = 30,519.28 : x
  2. Step 2: Convert to fraction form
    52,037.68/71,804.30 = 30,519.28/x
  3. Step 3: Cross multiply
    52,037.68x = 71,804.30 × 30,519.28
  4. Step 4: Simplify right side
    52,037.68x = 2,191,415,536.90
  5. Step 5: Solve for x
    x = 2,191,415,536.90/52,037.68
  6. Step 6: Final answer
    x = 42,112.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.