Home / 39,287.34-58,896.18-14,322.78

Finding the Fourth Proportional to 39,287.34, 58,896.18 and 14,322.78

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Solution

The fourth proportional to 39,287.34, 58,896.18 and 14,322.78 is: 21,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.34 : 58,896.18 = 14,322.78 : x
  2. Step 2: Convert to fraction form
    39,287.34/58,896.18 = 14,322.78/x
  3. Step 3: Cross multiply
    39,287.34x = 58,896.18 × 14,322.78
  4. Step 4: Simplify right side
    39,287.34x = 843,557,028.98
  5. Step 5: Solve for x
    x = 843,557,028.98/39,287.34
  6. Step 6: Final answer
    x = 21,471.47

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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.