Home / 40,947.60-61,415.28-11,362.32

Finding the Fourth Proportional to 40,947.60, 61,415.28 and 11,362.32

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Solution

The fourth proportional to 40,947.60, 61,415.28 and 11,362.32 is: 17,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.60 : 61,415.28 = 11,362.32 : x
  2. Step 2: Convert to fraction form
    40,947.60/61,415.28 = 11,362.32/x
  3. Step 3: Cross multiply
    40,947.60x = 61,415.28 × 11,362.32
  4. Step 4: Simplify right side
    40,947.60x = 697,820,064.25
  5. Step 5: Solve for x
    x = 697,820,064.25/40,947.60
  6. Step 6: Final answer
    x = 17,041.78

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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.