Home / 39,365.80-59,030.93-11,279.43

Finding the Fourth Proportional to 39,365.80, 59,030.93 and 11,279.43

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Solution

The fourth proportional to 39,365.80, 59,030.93 and 11,279.43 is: 16,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.80 : 59,030.93 = 11,279.43 : x
  2. Step 2: Convert to fraction form
    39,365.80/59,030.93 = 11,279.43/x
  3. Step 3: Cross multiply
    39,365.80x = 59,030.93 × 11,279.43
  4. Step 4: Simplify right side
    39,365.80x = 665,835,242.77
  5. Step 5: Solve for x
    x = 665,835,242.77/39,365.80
  6. Step 6: Final answer
    x = 16,914.05

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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.