Home / 71,345.06-107,033.99-21,426.10

Finding the Fourth Proportional to 71,345.06, 107,033.99 and 21,426.10

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Solution

The fourth proportional to 71,345.06, 107,033.99 and 21,426.10 is: 32,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,345.06 : 107,033.99 = 21,426.10 : x
  2. Step 2: Convert to fraction form
    71,345.06/107,033.99 = 21,426.10/x
  3. Step 3: Cross multiply
    71,345.06x = 107,033.99 × 21,426.10
  4. Step 4: Simplify right side
    71,345.06x = 2,293,320,973.14
  5. Step 5: Solve for x
    x = 2,293,320,973.14/71,345.06
  6. Step 6: Final answer
    x = 32,144.08

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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.