Home / 58,286.57-87,399.72-18,838.53

Finding the Fourth Proportional to 58,286.57, 87,399.72 and 18,838.53

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Solution

The fourth proportional to 58,286.57, 87,399.72 and 18,838.53 is: 28,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286.57 : 87,399.72 = 18,838.53 : x
  2. Step 2: Convert to fraction form
    58,286.57/87,399.72 = 18,838.53/x
  3. Step 3: Cross multiply
    58,286.57x = 87,399.72 × 18,838.53
  4. Step 4: Simplify right side
    58,286.57x = 1,646,482,247.21
  5. Step 5: Solve for x
    x = 1,646,482,247.21/58,286.57
  6. Step 6: Final answer
    x = 28,248.06

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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.