Home / 64,444.32-88,921.44-38,943.90

Finding the Fourth Proportional to 64,444.32, 88,921.44 and 38,943.90

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Solution

The fourth proportional to 64,444.32, 88,921.44 and 38,943.90 is: 53,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,444.32 : 88,921.44 = 38,943.90 : x
  2. Step 2: Convert to fraction form
    64,444.32/88,921.44 = 38,943.90/x
  3. Step 3: Cross multiply
    64,444.32x = 88,921.44 × 38,943.90
  4. Step 4: Simplify right side
    64,444.32x = 3,462,947,667.22
  5. Step 5: Solve for x
    x = 3,462,947,667.22/64,444.32
  6. Step 6: Final answer
    x = 53,735.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.