Home / 61,543.34-92,329.50-19,990.34

Finding the Fourth Proportional to 61,543.34, 92,329.50 and 19,990.34

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Solution

The fourth proportional to 61,543.34, 92,329.50 and 19,990.34 is: 29,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.34 : 92,329.50 = 19,990.34 : x
  2. Step 2: Convert to fraction form
    61,543.34/92,329.50 = 19,990.34/x
  3. Step 3: Cross multiply
    61,543.34x = 92,329.50 × 19,990.34
  4. Step 4: Simplify right side
    61,543.34x = 1,845,698,097.03
  5. Step 5: Solve for x
    x = 1,845,698,097.03/61,543.34
  6. Step 6: Final answer
    x = 29,990.22

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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.