Home / 39,587.06-59,386.05-13,299.32

Finding the Fourth Proportional to 39,587.06, 59,386.05 and 13,299.32

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Solution

The fourth proportional to 39,587.06, 59,386.05 and 13,299.32 is: 19,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.06 : 59,386.05 = 13,299.32 : x
  2. Step 2: Convert to fraction form
    39,587.06/59,386.05 = 13,299.32/x
  3. Step 3: Cross multiply
    39,587.06x = 59,386.05 × 13,299.32
  4. Step 4: Simplify right side
    39,587.06x = 789,793,785.56
  5. Step 5: Solve for x
    x = 789,793,785.56/39,587.06
  6. Step 6: Final answer
    x = 19,950.81

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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.