Home / 54,383.30-75,050.25-30,511.74

Finding the Fourth Proportional to 54,383.30, 75,050.25 and 30,511.74

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Solution

The fourth proportional to 54,383.30, 75,050.25 and 30,511.74 is: 42,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.30 : 75,050.25 = 30,511.74 : x
  2. Step 2: Convert to fraction form
    54,383.30/75,050.25 = 30,511.74/x
  3. Step 3: Cross multiply
    54,383.30x = 75,050.25 × 30,511.74
  4. Step 4: Simplify right side
    54,383.30x = 2,289,913,459.80
  5. Step 5: Solve for x
    x = 2,289,913,459.80/54,383.30
  6. Step 6: Final answer
    x = 42,106.92

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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.