Home / 29,418.40-40,576.86-19,343.62

Finding the Fourth Proportional to 29,418.40, 40,576.86 and 19,343.62

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Solution

The fourth proportional to 29,418.40, 40,576.86 and 19,343.62 is: 26,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.40 : 40,576.86 = 19,343.62 : x
  2. Step 2: Convert to fraction form
    29,418.40/40,576.86 = 19,343.62/x
  3. Step 3: Cross multiply
    29,418.40x = 40,576.86 × 19,343.62
  4. Step 4: Simplify right side
    29,418.40x = 784,903,360.63
  5. Step 5: Solve for x
    x = 784,903,360.63/29,418.40
  6. Step 6: Final answer
    x = 26,680.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.