Home / 43,099.34-64,648.89-11,934.50

Finding the Fourth Proportional to 43,099.34, 64,648.89 and 11,934.50

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Solution

The fourth proportional to 43,099.34, 64,648.89 and 11,934.50 is: 17,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.34 : 64,648.89 = 11,934.50 : x
  2. Step 2: Convert to fraction form
    43,099.34/64,648.89 = 11,934.50/x
  3. Step 3: Cross multiply
    43,099.34x = 64,648.89 × 11,934.50
  4. Step 4: Simplify right side
    43,099.34x = 771,552,177.71
  5. Step 5: Solve for x
    x = 771,552,177.71/43,099.34
  6. Step 6: Final answer
    x = 17,901.72

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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.