Home / 65,916.16-98,890.24-21,544.96

Finding the Fourth Proportional to 65,916.16, 98,890.24 and 21,544.96

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Solution

The fourth proportional to 65,916.16, 98,890.24 and 21,544.96 is: 32,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.16 : 98,890.24 = 21,544.96 : x
  2. Step 2: Convert to fraction form
    65,916.16/98,890.24 = 21,544.96/x
  3. Step 3: Cross multiply
    65,916.16x = 98,890.24 × 21,544.96
  4. Step 4: Simplify right side
    65,916.16x = 2,130,586,265.19
  5. Step 5: Solve for x
    x = 2,130,586,265.19/65,916.16
  6. Step 6: Final answer
    x = 32,322.67

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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.