Home / 39,178.32-58,790.82-14,220.31

Finding the Fourth Proportional to 39,178.32, 58,790.82 and 14,220.31

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Solution

The fourth proportional to 39,178.32, 58,790.82 and 14,220.31 is: 21,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.32 : 58,790.82 = 14,220.31 : x
  2. Step 2: Convert to fraction form
    39,178.32/58,790.82 = 14,220.31/x
  3. Step 3: Cross multiply
    39,178.32x = 58,790.82 × 14,220.31
  4. Step 4: Simplify right side
    39,178.32x = 836,023,685.55
  5. Step 5: Solve for x
    x = 836,023,685.55/39,178.32
  6. Step 6: Final answer
    x = 21,338.94

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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.