Home / 43,287.90-64,918.35-17,000.70

Finding the Fourth Proportional to 43,287.90, 64,918.35 and 17,000.70

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Solution

The fourth proportional to 43,287.90, 64,918.35 and 17,000.70 is: 25,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.90 : 64,918.35 = 17,000.70 : x
  2. Step 2: Convert to fraction form
    43,287.90/64,918.35 = 17,000.70/x
  3. Step 3: Cross multiply
    43,287.90x = 64,918.35 × 17,000.70
  4. Step 4: Simplify right side
    43,287.90x = 1,103,657,392.85
  5. Step 5: Solve for x
    x = 1,103,657,392.85/43,287.90
  6. Step 6: Final answer
    x = 25,495.75

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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.