Home / 39,690.94-54,776.24-26,238.87

Finding the Fourth Proportional to 39,690.94, 54,776.24 and 26,238.87

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Solution

The fourth proportional to 39,690.94, 54,776.24 and 26,238.87 is: 36,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.94 : 54,776.24 = 26,238.87 : x
  2. Step 2: Convert to fraction form
    39,690.94/54,776.24 = 26,238.87/x
  3. Step 3: Cross multiply
    39,690.94x = 54,776.24 × 26,238.87
  4. Step 4: Simplify right side
    39,690.94x = 1,437,266,640.45
  5. Step 5: Solve for x
    x = 1,437,266,640.45/39,690.94
  6. Step 6: Final answer
    x = 36,211.45

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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.