Home / 69,148.10-103,669.18-21,735.76

Finding the Fourth Proportional to 69,148.10, 103,669.18 and 21,735.76

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Solution

The fourth proportional to 69,148.10, 103,669.18 and 21,735.76 is: 32,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,148.10 : 103,669.18 = 21,735.76 : x
  2. Step 2: Convert to fraction form
    69,148.10/103,669.18 = 21,735.76/x
  3. Step 3: Cross multiply
    69,148.10x = 103,669.18 × 21,735.76
  4. Step 4: Simplify right side
    69,148.10x = 2,253,328,455.07
  5. Step 5: Solve for x
    x = 2,253,328,455.07/69,148.10
  6. Step 6: Final answer
    x = 32,586.99

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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.