Home / 58,495.49-87,758.79-18,515.24

Finding the Fourth Proportional to 58,495.49, 87,758.79 and 18,515.24

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Solution

The fourth proportional to 58,495.49, 87,758.79 and 18,515.24 is: 27,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,495.49 : 87,758.79 = 18,515.24 : x
  2. Step 2: Convert to fraction form
    58,495.49/87,758.79 = 18,515.24/x
  3. Step 3: Cross multiply
    58,495.49x = 87,758.79 × 18,515.24
  4. Step 4: Simplify right side
    58,495.49x = 1,624,874,620.17
  5. Step 5: Solve for x
    x = 1,624,874,620.17/58,495.49
  6. Step 6: Final answer
    x = 27,777.78

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1.5x scale

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.