Home / 49,458.53-74,187.89-12,018.64

Finding the Fourth Proportional to 49,458.53, 74,187.89 and 12,018.64

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Solution

The fourth proportional to 49,458.53, 74,187.89 and 12,018.64 is: 18,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,458.53 : 74,187.89 = 12,018.64 : x
  2. Step 2: Convert to fraction form
    49,458.53/74,187.89 = 12,018.64/x
  3. Step 3: Cross multiply
    49,458.53x = 74,187.89 × 12,018.64
  4. Step 4: Simplify right side
    49,458.53x = 891,637,111.24
  5. Step 5: Solve for x
    x = 891,637,111.24/49,458.53
  6. Step 6: Final answer
    x = 18,027.98

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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.