Home / 39,358.98-59,023.14-13,056.66

Finding the Fourth Proportional to 39,358.98, 59,023.14 and 13,056.66

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Solution

The fourth proportional to 39,358.98, 59,023.14 and 13,056.66 is: 19,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.98 : 59,023.14 = 13,056.66 : x
  2. Step 2: Convert to fraction form
    39,358.98/59,023.14 = 13,056.66/x
  3. Step 3: Cross multiply
    39,358.98x = 59,023.14 × 13,056.66
  4. Step 4: Simplify right side
    39,358.98x = 770,645,071.11
  5. Step 5: Solve for x
    x = 770,645,071.11/39,358.98
  6. Step 6: Final answer
    x = 19,579.90

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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.