Home / 39,358.89-59,051.30-15,979.05

Finding the Fourth Proportional to 39,358.89, 59,051.30 and 15,979.05

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Solution

The fourth proportional to 39,358.89, 59,051.30 and 15,979.05 is: 23,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.89 : 59,051.30 = 15,979.05 : x
  2. Step 2: Convert to fraction form
    39,358.89/59,051.30 = 15,979.05/x
  3. Step 3: Cross multiply
    39,358.89x = 59,051.30 × 15,979.05
  4. Step 4: Simplify right side
    39,358.89x = 943,583,595.37
  5. Step 5: Solve for x
    x = 943,583,595.37/39,358.89
  6. Step 6: Final answer
    x = 23,973.84

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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.