Home / 32,726.40-49,089.60-11,947.20

Finding the Fourth Proportional to 32,726.40, 49,089.60 and 11,947.20

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Solution

The fourth proportional to 32,726.40, 49,089.60 and 11,947.20 is: 17,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,726.40 : 49,089.60 = 11,947.20 : x
  2. Step 2: Convert to fraction form
    32,726.40/49,089.60 = 11,947.20/x
  3. Step 3: Cross multiply
    32,726.40x = 49,089.60 × 11,947.20
  4. Step 4: Simplify right side
    32,726.40x = 586,483,269.12
  5. Step 5: Solve for x
    x = 586,483,269.12/32,726.40
  6. Step 6: Final answer
    x = 17,920.80

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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.