Home / 64,551.18-89,054.62-39,013.21

Finding the Fourth Proportional to 64,551.18, 89,054.62 and 39,013.21

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Solution

The fourth proportional to 64,551.18, 89,054.62 and 39,013.21 is: 53,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.18 : 89,054.62 = 39,013.21 : x
  2. Step 2: Convert to fraction form
    64,551.18/89,054.62 = 39,013.21/x
  3. Step 3: Cross multiply
    64,551.18x = 89,054.62 × 39,013.21
  4. Step 4: Simplify right side
    64,551.18x = 3,474,306,396.46
  5. Step 5: Solve for x
    x = 3,474,306,396.46/64,551.18
  6. Step 6: Final answer
    x = 53,822.51

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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.