Home / 61,335.18-92,002.78-19,782.18

Finding the Fourth Proportional to 61,335.18, 92,002.78 and 19,782.18

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Solution

The fourth proportional to 61,335.18, 92,002.78 and 19,782.18 is: 29,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,335.18 : 92,002.78 = 19,782.18 : x
  2. Step 2: Convert to fraction form
    61,335.18/92,002.78 = 19,782.18/x
  3. Step 3: Cross multiply
    61,335.18x = 92,002.78 × 19,782.18
  4. Step 4: Simplify right side
    61,335.18x = 1,820,015,554.46
  5. Step 5: Solve for x
    x = 1,820,015,554.46/61,335.18
  6. Step 6: Final answer
    x = 29,673.27

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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.