Home / 39,037.60-58,589.28-16,867.78

Finding the Fourth Proportional to 39,037.60, 58,589.28 and 16,867.78

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Solution

The fourth proportional to 39,037.60, 58,589.28 and 16,867.78 is: 25,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,037.60 : 58,589.28 = 16,867.78 : x
  2. Step 2: Convert to fraction form
    39,037.60/58,589.28 = 16,867.78/x
  3. Step 3: Cross multiply
    39,037.60x = 58,589.28 × 16,867.78
  4. Step 4: Simplify right side
    39,037.60x = 988,271,085.40
  5. Step 5: Solve for x
    x = 988,271,085.40/39,037.60
  6. Step 6: Final answer
    x = 25,315.88

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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.