Home / 39,145.08-58,720.80-11,065.38

Finding the Fourth Proportional to 39,145.08, 58,720.80 and 11,065.38

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Solution

The fourth proportional to 39,145.08, 58,720.80 and 11,065.38 is: 16,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.08 : 58,720.80 = 11,065.38 : x
  2. Step 2: Convert to fraction form
    39,145.08/58,720.80 = 11,065.38/x
  3. Step 3: Cross multiply
    39,145.08x = 58,720.80 × 11,065.38
  4. Step 4: Simplify right side
    39,145.08x = 649,767,965.90
  5. Step 5: Solve for x
    x = 649,767,965.90/39,145.08
  6. Step 6: Final answer
    x = 16,598.97

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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.