Home / 39,744.59-59,579.82-13,430.93

Finding the Fourth Proportional to 39,744.59, 59,579.82 and 13,430.93

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Solution

The fourth proportional to 39,744.59, 59,579.82 and 13,430.93 is: 20,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.59 : 59,579.82 = 13,430.93 : x
  2. Step 2: Convert to fraction form
    39,744.59/59,579.82 = 13,430.93/x
  3. Step 3: Cross multiply
    39,744.59x = 59,579.82 × 13,430.93
  4. Step 4: Simplify right side
    39,744.59x = 800,212,276.46
  5. Step 5: Solve for x
    x = 800,212,276.46/39,744.59
  6. Step 6: Final answer
    x = 20,133.87

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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.