Home / 39,464.39-54,459.96-21,559.47

Finding the Fourth Proportional to 39,464.39, 54,459.96 and 21,559.47

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Solution

The fourth proportional to 39,464.39, 54,459.96 and 21,559.47 is: 29,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,464.39 : 54,459.96 = 21,559.47 : x
  2. Step 2: Convert to fraction form
    39,464.39/54,459.96 = 21,559.47/x
  3. Step 3: Cross multiply
    39,464.39x = 54,459.96 × 21,559.47
  4. Step 4: Simplify right side
    39,464.39x = 1,174,127,873.82
  5. Step 5: Solve for x
    x = 1,174,127,873.82/39,464.39
  6. Step 6: Final answer
    x = 29,751.58

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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.