Home / 49,649.73-74,473.93-12,210.12

Finding the Fourth Proportional to 49,649.73, 74,473.93 and 12,210.12

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Solution

The fourth proportional to 49,649.73, 74,473.93 and 12,210.12 is: 18,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.73 : 74,473.93 = 12,210.12 : x
  2. Step 2: Convert to fraction form
    49,649.73/74,473.93 = 12,210.12/x
  3. Step 3: Cross multiply
    49,649.73x = 74,473.93 × 12,210.12
  4. Step 4: Simplify right side
    49,649.73x = 909,335,637.43
  5. Step 5: Solve for x
    x = 909,335,637.43/49,649.73
  6. Step 6: Final answer
    x = 18,315.02

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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.