Home / 39,311.36-58,990.08-28,206.08

Finding the Fourth Proportional to 39,311.36, 58,990.08 and 28,206.08

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Solution

The fourth proportional to 39,311.36, 58,990.08 and 28,206.08 is: 42,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,311.36 : 58,990.08 = 28,206.08 : x
  2. Step 2: Convert to fraction form
    39,311.36/58,990.08 = 28,206.08/x
  3. Step 3: Cross multiply
    39,311.36x = 58,990.08 × 28,206.08
  4. Step 4: Simplify right side
    39,311.36x = 1,663,878,915.69
  5. Step 5: Solve for x
    x = 1,663,878,915.69/39,311.36
  6. Step 6: Final answer
    x = 42,325.65

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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.