Home / 42,869.25-64,308.33-11,704.50

Finding the Fourth Proportional to 42,869.25, 64,308.33 and 11,704.50

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Solution

The fourth proportional to 42,869.25, 64,308.33 and 11,704.50 is: 17,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.25 : 64,308.33 = 11,704.50 : x
  2. Step 2: Convert to fraction form
    42,869.25/64,308.33 = 11,704.50/x
  3. Step 3: Cross multiply
    42,869.25x = 64,308.33 × 11,704.50
  4. Step 4: Simplify right side
    42,869.25x = 752,696,848.49
  5. Step 5: Solve for x
    x = 752,696,848.49/42,869.25
  6. Step 6: Final answer
    x = 17,557.97

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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.