Home / 49,511.42-74,159.55-30,478.04

Finding the Fourth Proportional to 49,511.42, 74,159.55 and 30,478.04

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Solution

The fourth proportional to 49,511.42, 74,159.55 and 30,478.04 is: 45,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.42 : 74,159.55 = 30,478.04 : x
  2. Step 2: Convert to fraction form
    49,511.42/74,159.55 = 30,478.04/x
  3. Step 3: Cross multiply
    49,511.42x = 74,159.55 × 30,478.04
  4. Step 4: Simplify right side
    49,511.42x = 2,260,237,731.28
  5. Step 5: Solve for x
    x = 2,260,237,731.28/49,511.42
  6. Step 6: Final answer
    x = 45,650.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.