Home / 58,665.16-87,997.69-21,216.46

Finding the Fourth Proportional to 58,665.16, 87,997.69 and 21,216.46

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Solution

The fourth proportional to 58,665.16, 87,997.69 and 21,216.46 is: 31,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,665.16 : 87,997.69 = 21,216.46 : x
  2. Step 2: Convert to fraction form
    58,665.16/87,997.69 = 21,216.46/x
  3. Step 3: Cross multiply
    58,665.16x = 87,997.69 × 21,216.46
  4. Step 4: Simplify right side
    58,665.16x = 1,866,999,469.98
  5. Step 5: Solve for x
    x = 1,866,999,469.98/58,665.16
  6. Step 6: Final answer
    x = 31,824.67

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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.