Home / 39,499.73-54,510.96-21,594.38

Finding the Fourth Proportional to 39,499.73, 54,510.96 and 21,594.38

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Solution

The fourth proportional to 39,499.73, 54,510.96 and 21,594.38 is: 29,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.73 : 54,510.96 = 21,594.38 : x
  2. Step 2: Convert to fraction form
    39,499.73/54,510.96 = 21,594.38/x
  3. Step 3: Cross multiply
    39,499.73x = 54,510.96 × 21,594.38
  4. Step 4: Simplify right side
    39,499.73x = 1,177,130,384.40
  5. Step 5: Solve for x
    x = 1,177,130,384.40/39,499.73
  6. Step 6: Final answer
    x = 29,800.97

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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.