Home / 49,340.30-74,010.45-12,404.30

Finding the Fourth Proportional to 49,340.30, 74,010.45 and 12,404.30

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Solution

The fourth proportional to 49,340.30, 74,010.45 and 12,404.30 is: 18,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.30 : 74,010.45 = 12,404.30 : x
  2. Step 2: Convert to fraction form
    49,340.30/74,010.45 = 12,404.30/x
  3. Step 3: Cross multiply
    49,340.30x = 74,010.45 × 12,404.30
  4. Step 4: Simplify right side
    49,340.30x = 918,047,824.94
  5. Step 5: Solve for x
    x = 918,047,824.94/49,340.30
  6. Step 6: Final answer
    x = 18,606.45

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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.