Home / 64,538.48-89,065.10-36,244.78

Finding the Fourth Proportional to 64,538.48, 89,065.10 and 36,244.78

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Solution

The fourth proportional to 64,538.48, 89,065.10 and 36,244.78 is: 50,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538.48 : 89,065.10 = 36,244.78 : x
  2. Step 2: Convert to fraction form
    64,538.48/89,065.10 = 36,244.78/x
  3. Step 3: Cross multiply
    64,538.48x = 89,065.10 × 36,244.78
  4. Step 4: Simplify right side
    64,538.48x = 3,228,144,955.18
  5. Step 5: Solve for x
    x = 3,228,144,955.18/64,538.48
  6. Step 6: Final answer
    x = 50,018.92

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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.