Home / 43,127.17-64,690.74-11,962.42

Finding the Fourth Proportional to 43,127.17, 64,690.74 and 11,962.42

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Solution

The fourth proportional to 43,127.17, 64,690.74 and 11,962.42 is: 17,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.17 : 64,690.74 = 11,962.42 : x
  2. Step 2: Convert to fraction form
    43,127.17/64,690.74 = 11,962.42/x
  3. Step 3: Cross multiply
    43,127.17x = 64,690.74 × 11,962.42
  4. Step 4: Simplify right side
    43,127.17x = 773,857,640.26
  5. Step 5: Solve for x
    x = 773,857,640.26/43,127.17
  6. Step 6: Final answer
    x = 17,943.62

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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.