Home / 60,665.27-91,010.86-21,223.67

Finding the Fourth Proportional to 60,665.27, 91,010.86 and 21,223.67

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Solution

The fourth proportional to 60,665.27, 91,010.86 and 21,223.67 is: 31,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.27 : 91,010.86 = 21,223.67 : x
  2. Step 2: Convert to fraction form
    60,665.27/91,010.86 = 21,223.67/x
  3. Step 3: Cross multiply
    60,665.27x = 91,010.86 × 21,223.67
  4. Step 4: Simplify right side
    60,665.27x = 1,931,583,950.94
  5. Step 5: Solve for x
    x = 1,931,583,950.94/60,665.27
  6. Step 6: Final answer
    x = 31,840.03

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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.