Home / 42,639.65-58,842.94-23,520.09

Finding the Fourth Proportional to 42,639.65, 58,842.94 and 23,520.09

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Solution

The fourth proportional to 42,639.65, 58,842.94 and 23,520.09 is: 32,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.65 : 58,842.94 = 23,520.09 : x
  2. Step 2: Convert to fraction form
    42,639.65/58,842.94 = 23,520.09/x
  3. Step 3: Cross multiply
    42,639.65x = 58,842.94 × 23,520.09
  4. Step 4: Simplify right side
    42,639.65x = 1,383,991,244.66
  5. Step 5: Solve for x
    x = 1,383,991,244.66/42,639.65
  6. Step 6: Final answer
    x = 32,457.85

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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.