Home / 43,219.36-64,716.88-37,019.28

Finding the Fourth Proportional to 43,219.36, 64,716.88 and 37,019.28

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Solution

The fourth proportional to 43,219.36, 64,716.88 and 37,019.28 is: 55,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219.36 : 64,716.88 = 37,019.28 : x
  2. Step 2: Convert to fraction form
    43,219.36/64,716.88 = 37,019.28/x
  3. Step 3: Cross multiply
    43,219.36x = 64,716.88 × 37,019.28
  4. Step 4: Simplify right side
    43,219.36x = 2,395,772,301.45
  5. Step 5: Solve for x
    x = 2,395,772,301.45/43,219.36
  6. Step 6: Final answer
    x = 55,432.85

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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.