Home / 49,563.78-74,345.02-12,124.18

Finding the Fourth Proportional to 49,563.78, 74,345.02 and 12,124.18

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Solution

The fourth proportional to 49,563.78, 74,345.02 and 12,124.18 is: 18,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,563.78 : 74,345.02 = 12,124.18 : x
  2. Step 2: Convert to fraction form
    49,563.78/74,345.02 = 12,124.18/x
  3. Step 3: Cross multiply
    49,563.78x = 74,345.02 × 12,124.18
  4. Step 4: Simplify right side
    49,563.78x = 901,372,404.58
  5. Step 5: Solve for x
    x = 901,372,404.58/49,563.78
  6. Step 6: Final answer
    x = 18,186.11

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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.