Home / 35,516.92-53,261.53-13,318.20

Finding the Fourth Proportional to 35,516.92, 53,261.53 and 13,318.20

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Solution

The fourth proportional to 35,516.92, 53,261.53 and 13,318.20 is: 19,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,516.92 : 53,261.53 = 13,318.20 : x
  2. Step 2: Convert to fraction form
    35,516.92/53,261.53 = 13,318.20/x
  3. Step 3: Cross multiply
    35,516.92x = 53,261.53 × 13,318.20
  4. Step 4: Simplify right side
    35,516.92x = 709,347,708.85
  5. Step 5: Solve for x
    x = 709,347,708.85/35,516.92
  6. Step 6: Final answer
    x = 19,972.11

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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.