Home / 42,211.53-58,234.34-27,890.93

Finding the Fourth Proportional to 42,211.53, 58,234.34 and 27,890.93

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Solution

The fourth proportional to 42,211.53, 58,234.34 and 27,890.93 is: 38,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,211.53 : 58,234.34 = 27,890.93 : x
  2. Step 2: Convert to fraction form
    42,211.53/58,234.34 = 27,890.93/x
  3. Step 3: Cross multiply
    42,211.53x = 58,234.34 × 27,890.93
  4. Step 4: Simplify right side
    42,211.53x = 1,624,210,115.85
  5. Step 5: Solve for x
    x = 1,624,210,115.85/42,211.53
  6. Step 6: Final answer
    x = 38,477.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.