Home / 39,269.94-54,191.27-21,364.49

Finding the Fourth Proportional to 39,269.94, 54,191.27 and 21,364.49

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Solution

The fourth proportional to 39,269.94, 54,191.27 and 21,364.49 is: 29,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.94 : 54,191.27 = 21,364.49 : x
  2. Step 2: Convert to fraction form
    39,269.94/54,191.27 = 21,364.49/x
  3. Step 3: Cross multiply
    39,269.94x = 54,191.27 × 21,364.49
  4. Step 4: Simplify right side
    39,269.94x = 1,157,768,468.22
  5. Step 5: Solve for x
    x = 1,157,768,468.22/39,269.94
  6. Step 6: Final answer
    x = 29,482.31

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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.