Home / 42,914.66-64,385.42-19,242.05

Finding the Fourth Proportional to 42,914.66, 64,385.42 and 19,242.05

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Solution

The fourth proportional to 42,914.66, 64,385.42 and 19,242.05 is: 28,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914.66 : 64,385.42 = 19,242.05 : x
  2. Step 2: Convert to fraction form
    42,914.66/64,385.42 = 19,242.05/x
  3. Step 3: Cross multiply
    42,914.66x = 64,385.42 × 19,242.05
  4. Step 4: Simplify right side
    42,914.66x = 1,238,907,052.77
  5. Step 5: Solve for x
    x = 1,238,907,052.77/42,914.66
  6. Step 6: Final answer
    x = 28,869.09

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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.