Home / 39,364.52-54,322.68-21,459.53

Finding the Fourth Proportional to 39,364.52, 54,322.68 and 21,459.53

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Solution

The fourth proportional to 39,364.52, 54,322.68 and 21,459.53 is: 29,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.52 : 54,322.68 = 21,459.53 : x
  2. Step 2: Convert to fraction form
    39,364.52/54,322.68 = 21,459.53/x
  3. Step 3: Cross multiply
    39,364.52x = 54,322.68 × 21,459.53
  4. Step 4: Simplify right side
    39,364.52x = 1,165,739,181.14
  5. Step 5: Solve for x
    x = 1,165,739,181.14/39,364.52
  6. Step 6: Final answer
    x = 29,613.96

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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.