Home / 42,862.49-64,293.75-19,495.61

Finding the Fourth Proportional to 42,862.49, 64,293.75 and 19,495.61

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Solution

The fourth proportional to 42,862.49, 64,293.75 and 19,495.61 is: 29,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,862.49 : 64,293.75 = 19,495.61 : x
  2. Step 2: Convert to fraction form
    42,862.49/64,293.75 = 19,495.61/x
  3. Step 3: Cross multiply
    42,862.49x = 64,293.75 × 19,495.61
  4. Step 4: Simplify right side
    42,862.49x = 1,253,445,875.44
  5. Step 5: Solve for x
    x = 1,253,445,875.44/42,862.49
  6. Step 6: Final answer
    x = 29,243.42

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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.