Home / 43,032.69-64,510.11-15,324.21

Finding the Fourth Proportional to 43,032.69, 64,510.11 and 15,324.21

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Solution

The fourth proportional to 43,032.69, 64,510.11 and 15,324.21 is: 22,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032.69 : 64,510.11 = 15,324.21 : x
  2. Step 2: Convert to fraction form
    43,032.69/64,510.11 = 15,324.21/x
  3. Step 3: Cross multiply
    43,032.69x = 64,510.11 × 15,324.21
  4. Step 4: Simplify right side
    43,032.69x = 988,566,472.76
  5. Step 5: Solve for x
    x = 988,566,472.76/43,032.69
  6. Step 6: Final answer
    x = 22,972.45

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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.