Home / 42,022.14-57,965.67-29,502.78

Finding the Fourth Proportional to 42,022.14, 57,965.67 and 29,502.78

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Solution

The fourth proportional to 42,022.14, 57,965.67 and 29,502.78 is: 40,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.14 : 57,965.67 = 29,502.78 : x
  2. Step 2: Convert to fraction form
    42,022.14/57,965.67 = 29,502.78/x
  3. Step 3: Cross multiply
    42,022.14x = 57,965.67 × 29,502.78
  4. Step 4: Simplify right side
    42,022.14x = 1,710,148,409.56
  5. Step 5: Solve for x
    x = 1,710,148,409.56/42,022.14
  6. Step 6: Final answer
    x = 40,696.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.