Home / 43,304.88-64,959.66-12,142.56

Finding the Fourth Proportional to 43,304.88, 64,959.66 and 12,142.56

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Solution

The fourth proportional to 43,304.88, 64,959.66 and 12,142.56 is: 18,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,304.88 : 64,959.66 = 12,142.56 : x
  2. Step 2: Convert to fraction form
    43,304.88/64,959.66 = 12,142.56/x
  3. Step 3: Cross multiply
    43,304.88x = 64,959.66 × 12,142.56
  4. Step 4: Simplify right side
    43,304.88x = 788,776,569.13
  5. Step 5: Solve for x
    x = 788,776,569.13/43,304.88
  6. Step 6: Final answer
    x = 18,214.50

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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.