Home / 34,988.17-48,281.93-19,878.84

Finding the Fourth Proportional to 34,988.17, 48,281.93 and 19,878.84

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Solution

The fourth proportional to 34,988.17, 48,281.93 and 19,878.84 is: 27,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,988.17 : 48,281.93 = 19,878.84 : x
  2. Step 2: Convert to fraction form
    34,988.17/48,281.93 = 19,878.84/x
  3. Step 3: Cross multiply
    34,988.17x = 48,281.93 × 19,878.84
  4. Step 4: Simplify right side
    34,988.17x = 959,788,519.95
  5. Step 5: Solve for x
    x = 959,788,519.95/34,988.17
  6. Step 6: Final answer
    x = 27,431.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.