Home / 35,489.80-53,123.96-26,140.38

Finding the Fourth Proportional to 35,489.80, 53,123.96 and 26,140.38

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Solution

The fourth proportional to 35,489.80, 53,123.96 and 26,140.38 is: 39,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.80 : 53,123.96 = 26,140.38 : x
  2. Step 2: Convert to fraction form
    35,489.80/53,123.96 = 26,140.38/x
  3. Step 3: Cross multiply
    35,489.80x = 53,123.96 × 26,140.38
  4. Step 4: Simplify right side
    35,489.80x = 1,388,680,105.18
  5. Step 5: Solve for x
    x = 1,388,680,105.18/35,489.80
  6. Step 6: Final answer
    x = 39,128.99

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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.