Home / 42,286.46-63,423.08-18,588.77

Finding the Fourth Proportional to 42,286.46, 63,423.08 and 18,588.77

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Solution

The fourth proportional to 42,286.46, 63,423.08 and 18,588.77 is: 27,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286.46 : 63,423.08 = 18,588.77 : x
  2. Step 2: Convert to fraction form
    42,286.46/63,423.08 = 18,588.77/x
  3. Step 3: Cross multiply
    42,286.46x = 63,423.08 × 18,588.77
  4. Step 4: Simplify right side
    42,286.46x = 1,178,956,706.46
  5. Step 5: Solve for x
    x = 1,178,956,706.46/42,286.46
  6. Step 6: Final answer
    x = 27,880.24

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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.