Home / 49,622.01-74,431.80-12,181.79

Finding the Fourth Proportional to 49,622.01, 74,431.80 and 12,181.79

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Solution

The fourth proportional to 49,622.01, 74,431.80 and 12,181.79 is: 18,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622.01 : 74,431.80 = 12,181.79 : x
  2. Step 2: Convert to fraction form
    49,622.01/74,431.80 = 12,181.79/x
  3. Step 3: Cross multiply
    49,622.01x = 74,431.80 × 12,181.79
  4. Step 4: Simplify right side
    49,622.01x = 906,712,184.76
  5. Step 5: Solve for x
    x = 906,712,184.76/49,622.01
  6. Step 6: Final answer
    x = 18,272.38

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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.