Home / 39,663.81-59,501.28-11,585.92

Finding the Fourth Proportional to 39,663.81, 59,501.28 and 11,585.92

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Solution

The fourth proportional to 39,663.81, 59,501.28 and 11,585.92 is: 17,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.81 : 59,501.28 = 11,585.92 : x
  2. Step 2: Convert to fraction form
    39,663.81/59,501.28 = 11,585.92/x
  3. Step 3: Cross multiply
    39,663.81x = 59,501.28 × 11,585.92
  4. Step 4: Simplify right side
    39,663.81x = 689,377,012.05
  5. Step 5: Solve for x
    x = 689,377,012.05/39,663.81
  6. Step 6: Final answer
    x = 17,380.51

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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.