Home / 43,282.67-64,931.30-19,908.50

Finding the Fourth Proportional to 43,282.67, 64,931.30 and 19,908.50

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Solution

The fourth proportional to 43,282.67, 64,931.30 and 19,908.50 is: 29,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,282.67 : 64,931.30 = 19,908.50 : x
  2. Step 2: Convert to fraction form
    43,282.67/64,931.30 = 19,908.50/x
  3. Step 3: Cross multiply
    43,282.67x = 64,931.30 × 19,908.50
  4. Step 4: Simplify right side
    43,282.67x = 1,292,684,786.05
  5. Step 5: Solve for x
    x = 1,292,684,786.05/43,282.67
  6. Step 6: Final answer
    x = 29,866.11

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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.