Home / 60,664.27-91,009.36-21,222.67

Finding the Fourth Proportional to 60,664.27, 91,009.36 and 21,222.67

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Solution

The fourth proportional to 60,664.27, 91,009.36 and 21,222.67 is: 31,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,664.27 : 91,009.36 = 21,222.67 : x
  2. Step 2: Convert to fraction form
    60,664.27/91,009.36 = 21,222.67/x
  3. Step 3: Cross multiply
    60,664.27x = 91,009.36 × 21,222.67
  4. Step 4: Simplify right side
    60,664.27x = 1,931,461,106.09
  5. Step 5: Solve for x
    x = 1,931,461,106.09/60,664.27
  6. Step 6: Final answer
    x = 31,838.53

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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.