Home / 46,213.55-69,320.34-12,938.52

Finding the Fourth Proportional to 46,213.55, 69,320.34 and 12,938.52

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Solution

The fourth proportional to 46,213.55, 69,320.34 and 12,938.52 is: 19,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,213.55 : 69,320.34 = 12,938.52 : x
  2. Step 2: Convert to fraction form
    46,213.55/69,320.34 = 12,938.52/x
  3. Step 3: Cross multiply
    46,213.55x = 69,320.34 × 12,938.52
  4. Step 4: Simplify right side
    46,213.55x = 896,902,297.03
  5. Step 5: Solve for x
    x = 896,902,297.03/46,213.55
  6. Step 6: Final answer
    x = 19,407.78

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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.