Home / 34,985.40-48,281.14-19,880.62

Finding the Fourth Proportional to 34,985.40, 48,281.14 and 19,880.62

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Solution

The fourth proportional to 34,985.40, 48,281.14 and 19,880.62 is: 27,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.40 : 48,281.14 = 19,880.62 : x
  2. Step 2: Convert to fraction form
    34,985.40/48,281.14 = 19,880.62/x
  3. Step 3: Cross multiply
    34,985.40x = 48,281.14 × 19,880.62
  4. Step 4: Simplify right side
    34,985.40x = 959,858,997.51
  5. Step 5: Solve for x
    x = 959,858,997.51/34,985.40
  6. Step 6: Final answer
    x = 27,435.99

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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.