Home / 42,795.67-64,208.70-19,101.06

Finding the Fourth Proportional to 42,795.67, 64,208.70 and 19,101.06

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Solution

The fourth proportional to 42,795.67, 64,208.70 and 19,101.06 is: 28,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,795.67 : 64,208.70 = 19,101.06 : x
  2. Step 2: Convert to fraction form
    42,795.67/64,208.70 = 19,101.06/x
  3. Step 3: Cross multiply
    42,795.67x = 64,208.70 × 19,101.06
  4. Step 4: Simplify right side
    42,795.67x = 1,226,454,231.22
  5. Step 5: Solve for x
    x = 1,226,454,231.22/42,795.67
  6. Step 6: Final answer
    x = 28,658.37

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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.