Home / 54,949.78-75,813.95-30,748.24

Finding the Fourth Proportional to 54,949.78, 75,813.95 and 30,748.24

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Solution

The fourth proportional to 54,949.78, 75,813.95 and 30,748.24 is: 42,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,949.78 : 75,813.95 = 30,748.24 : x
  2. Step 2: Convert to fraction form
    54,949.78/75,813.95 = 30,748.24/x
  3. Step 3: Cross multiply
    54,949.78x = 75,813.95 × 30,748.24
  4. Step 4: Simplify right side
    54,949.78x = 2,331,145,529.95
  5. Step 5: Solve for x
    x = 2,331,145,529.95/54,949.78
  6. Step 6: Final answer
    x = 42,423.20

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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.