Home / 49,457.94-74,185.85-12,018.18

Finding the Fourth Proportional to 49,457.94, 74,185.85 and 12,018.18

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Solution

The fourth proportional to 49,457.94, 74,185.85 and 12,018.18 is: 18,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,457.94 : 74,185.85 = 12,018.18 : x
  2. Step 2: Convert to fraction form
    49,457.94/74,185.85 = 12,018.18/x
  3. Step 3: Cross multiply
    49,457.94x = 74,185.85 × 12,018.18
  4. Step 4: Simplify right side
    49,457.94x = 891,578,838.66
  5. Step 5: Solve for x
    x = 891,578,838.66/49,457.94
  6. Step 6: Final answer
    x = 18,027.01

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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.