Home / 39,964.40-59,899.92-30,071.88

Finding the Fourth Proportional to 39,964.40, 59,899.92 and 30,071.88

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Solution

The fourth proportional to 39,964.40, 59,899.92 and 30,071.88 is: 45,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.40 : 59,899.92 = 30,071.88 : x
  2. Step 2: Convert to fraction form
    39,964.40/59,899.92 = 30,071.88/x
  3. Step 3: Cross multiply
    39,964.40x = 59,899.92 × 30,071.88
  4. Step 4: Simplify right side
    39,964.40x = 1,801,303,206.25
  5. Step 5: Solve for x
    x = 1,801,303,206.25/39,964.40
  6. Step 6: Final answer
    x = 45,072.69

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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.