Home / 64,871.28-89,523.36-38,007.36

Finding the Fourth Proportional to 64,871.28, 89,523.36 and 38,007.36

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Solution

The fourth proportional to 64,871.28, 89,523.36 and 38,007.36 is: 52,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,871.28 : 89,523.36 = 38,007.36 : x
  2. Step 2: Convert to fraction form
    64,871.28/89,523.36 = 38,007.36/x
  3. Step 3: Cross multiply
    64,871.28x = 89,523.36 × 38,007.36
  4. Step 4: Simplify right side
    64,871.28x = 3,402,546,571.93
  5. Step 5: Solve for x
    x = 3,402,546,571.93/64,871.28
  6. Step 6: Final answer
    x = 52,450.74

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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.