Home / 39,178.50-58,767.63-14,218.52

Finding the Fourth Proportional to 39,178.50, 58,767.63 and 14,218.52

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Solution

The fourth proportional to 39,178.50, 58,767.63 and 14,218.52 is: 21,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.50 : 58,767.63 = 14,218.52 : x
  2. Step 2: Convert to fraction form
    39,178.50/58,767.63 = 14,218.52/x
  3. Step 3: Cross multiply
    39,178.50x = 58,767.63 × 14,218.52
  4. Step 4: Simplify right side
    39,178.50x = 835,588,375.35
  5. Step 5: Solve for x
    x = 835,588,375.35/39,178.50
  6. Step 6: Final answer
    x = 21,327.73

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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.