Home / 54,649.68-75,417.66-33,139.32

Finding the Fourth Proportional to 54,649.68, 75,417.66 and 33,139.32

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Solution

The fourth proportional to 54,649.68, 75,417.66 and 33,139.32 is: 45,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.68 : 75,417.66 = 33,139.32 : x
  2. Step 2: Convert to fraction form
    54,649.68/75,417.66 = 33,139.32/x
  3. Step 3: Cross multiply
    54,649.68x = 75,417.66 × 33,139.32
  4. Step 4: Simplify right side
    54,649.68x = 2,499,289,968.39
  5. Step 5: Solve for x
    x = 2,499,289,968.39/54,649.68
  6. Step 6: Final answer
    x = 45,732.93

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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.