Home / 39,364.80-54,311.22-22,368.30

Finding the Fourth Proportional to 39,364.80, 54,311.22 and 22,368.30

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Solution

The fourth proportional to 39,364.80, 54,311.22 and 22,368.30 is: 30,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.80 : 54,311.22 = 22,368.30 : x
  2. Step 2: Convert to fraction form
    39,364.80/54,311.22 = 22,368.30/x
  3. Step 3: Cross multiply
    39,364.80x = 54,311.22 × 22,368.30
  4. Step 4: Simplify right side
    39,364.80x = 1,214,849,662.33
  5. Step 5: Solve for x
    x = 1,214,849,662.33/39,364.80
  6. Step 6: Final answer
    x = 30,861.32

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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.