Home / 53,027.34-79,541.01-21,861.78

Finding the Fourth Proportional to 53,027.34, 79,541.01 and 21,861.78

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Solution

The fourth proportional to 53,027.34, 79,541.01 and 21,861.78 is: 32,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,027.34 : 79,541.01 = 21,861.78 : x
  2. Step 2: Convert to fraction form
    53,027.34/79,541.01 = 21,861.78/x
  3. Step 3: Cross multiply
    53,027.34x = 79,541.01 × 21,861.78
  4. Step 4: Simplify right side
    53,027.34x = 1,738,908,061.60
  5. Step 5: Solve for x
    x = 1,738,908,061.60/53,027.34
  6. Step 6: Final answer
    x = 32,792.67

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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.