Home / 54,385.20-75,050.24-30,511.28

Finding the Fourth Proportional to 54,385.20, 75,050.24 and 30,511.28

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Solution

The fourth proportional to 54,385.20, 75,050.24 and 30,511.28 is: 42,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.20 : 75,050.24 = 30,511.28 : x
  2. Step 2: Convert to fraction form
    54,385.20/75,050.24 = 30,511.28/x
  3. Step 3: Cross multiply
    54,385.20x = 75,050.24 × 30,511.28
  4. Step 4: Simplify right side
    54,385.20x = 2,289,878,886.71
  5. Step 5: Solve for x
    x = 2,289,878,886.71/54,385.20
  6. Step 6: Final answer
    x = 42,104.82

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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.