Home / 39,547.66-54,575.69-21,642.96

Finding the Fourth Proportional to 39,547.66, 54,575.69 and 21,642.96

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Solution

The fourth proportional to 39,547.66, 54,575.69 and 21,642.96 is: 29,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,547.66 : 54,575.69 = 21,642.96 : x
  2. Step 2: Convert to fraction form
    39,547.66/54,575.69 = 21,642.96/x
  3. Step 3: Cross multiply
    39,547.66x = 54,575.69 × 21,642.96
  4. Step 4: Simplify right side
    39,547.66x = 1,181,179,475.64
  5. Step 5: Solve for x
    x = 1,181,179,475.64/39,547.66
  6. Step 6: Final answer
    x = 29,867.24

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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.