Home / 43,309.20-64,963.80-17,005.20

Finding the Fourth Proportional to 43,309.20, 64,963.80 and 17,005.20

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Solution

The fourth proportional to 43,309.20, 64,963.80 and 17,005.20 is: 25,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,309.20 : 64,963.80 = 17,005.20 : x
  2. Step 2: Convert to fraction form
    43,309.20/64,963.80 = 17,005.20/x
  3. Step 3: Cross multiply
    43,309.20x = 64,963.80 × 17,005.20
  4. Step 4: Simplify right side
    43,309.20x = 1,104,722,411.76
  5. Step 5: Solve for x
    x = 1,104,722,411.76/43,309.20
  6. Step 6: Final answer
    x = 25,507.80

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1.5x scale

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.