Home / 61,449.02-92,174.75-19,328.21

Finding the Fourth Proportional to 61,449.02, 92,174.75 and 19,328.21

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Solution

The fourth proportional to 61,449.02, 92,174.75 and 19,328.21 is: 28,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,449.02 : 92,174.75 = 19,328.21 : x
  2. Step 2: Convert to fraction form
    61,449.02/92,174.75 = 19,328.21/x
  3. Step 3: Cross multiply
    61,449.02x = 92,174.75 × 19,328.21
  4. Step 4: Simplify right side
    61,449.02x = 1,781,572,367.18
  5. Step 5: Solve for x
    x = 1,781,572,367.18/61,449.02
  6. Step 6: Final answer
    x = 28,992.69

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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.