Home / 37,078.32-55,621.28-13,699.32

Finding the Fourth Proportional to 37,078.32, 55,621.28 and 13,699.32

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Solution

The fourth proportional to 37,078.32, 55,621.28 and 13,699.32 is: 20,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,078.32 : 55,621.28 = 13,699.32 : x
  2. Step 2: Convert to fraction form
    37,078.32/55,621.28 = 13,699.32/x
  3. Step 3: Cross multiply
    37,078.32x = 55,621.28 × 13,699.32
  4. Step 4: Simplify right side
    37,078.32x = 761,973,713.53
  5. Step 5: Solve for x
    x = 761,973,713.53/37,078.32
  6. Step 6: Final answer
    x = 20,550.38

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1.5x scale

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.