Home / 49,459.18-74,187.76-12,019.46

Finding the Fourth Proportional to 49,459.18, 74,187.76 and 12,019.46

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Solution

The fourth proportional to 49,459.18, 74,187.76 and 12,019.46 is: 18,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.18 : 74,187.76 = 12,019.46 : x
  2. Step 2: Convert to fraction form
    49,459.18/74,187.76 = 12,019.46/x
  3. Step 3: Cross multiply
    49,459.18x = 74,187.76 × 12,019.46
  4. Step 4: Simplify right side
    49,459.18x = 891,696,813.81
  5. Step 5: Solve for x
    x = 891,696,813.81/49,459.18
  6. Step 6: Final answer
    x = 18,028.94

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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.