Home / 61,638.29-92,467.81-19,530.12

Finding the Fourth Proportional to 61,638.29, 92,467.81 and 19,530.12

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Solution

The fourth proportional to 61,638.29, 92,467.81 and 19,530.12 is: 29,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638.29 : 92,467.81 = 19,530.12 : x
  2. Step 2: Convert to fraction form
    61,638.29/92,467.81 = 19,530.12/x
  3. Step 3: Cross multiply
    61,638.29x = 92,467.81 × 19,530.12
  4. Step 4: Simplify right side
    61,638.29x = 1,805,907,800.95
  5. Step 5: Solve for x
    x = 1,805,907,800.95/61,638.29
  6. Step 6: Final answer
    x = 29,298.47

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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.