Home / 39,269.34-54,191.82-21,364.35

Finding the Fourth Proportional to 39,269.34, 54,191.82 and 21,364.35

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Solution

The fourth proportional to 39,269.34, 54,191.82 and 21,364.35 is: 29,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.34 : 54,191.82 = 21,364.35 : x
  2. Step 2: Convert to fraction form
    39,269.34/54,191.82 = 21,364.35/x
  3. Step 3: Cross multiply
    39,269.34x = 54,191.82 × 21,364.35
  4. Step 4: Simplify right side
    39,269.34x = 1,157,773,009.62
  5. Step 5: Solve for x
    x = 1,157,773,009.62/39,269.34
  6. Step 6: Final answer
    x = 29,482.87

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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.