Home / 58,670.12-87,958.74-21,224.36

Finding the Fourth Proportional to 58,670.12, 87,958.74 and 21,224.36

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Solution

The fourth proportional to 58,670.12, 87,958.74 and 21,224.36 is: 31,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,670.12 : 87,958.74 = 21,224.36 : x
  2. Step 2: Convert to fraction form
    58,670.12/87,958.74 = 21,224.36/x
  3. Step 3: Cross multiply
    58,670.12x = 87,958.74 × 21,224.36
  4. Step 4: Simplify right side
    58,670.12x = 1,866,867,962.91
  5. Step 5: Solve for x
    x = 1,866,867,962.91/58,670.12
  6. Step 6: Final answer
    x = 31,819.74

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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.