Home / 39,953.40-59,836.66-31,577.20

Finding the Fourth Proportional to 39,953.40, 59,836.66 and 31,577.20

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Solution

The fourth proportional to 39,953.40, 59,836.66 and 31,577.20 is: 47,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.40 : 59,836.66 = 31,577.20 : x
  2. Step 2: Convert to fraction form
    39,953.40/59,836.66 = 31,577.20/x
  3. Step 3: Cross multiply
    39,953.40x = 59,836.66 × 31,577.20
  4. Step 4: Simplify right side
    39,953.40x = 1,889,474,180.15
  5. Step 5: Solve for x
    x = 1,889,474,180.15/39,953.40
  6. Step 6: Final answer
    x = 47,291.95

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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.