Home / 55,547.32-76,575.56-39,604.09

Finding the Fourth Proportional to 55,547.32, 76,575.56 and 39,604.09

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Solution

The fourth proportional to 55,547.32, 76,575.56 and 39,604.09 is: 54,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547.32 : 76,575.56 = 39,604.09 : x
  2. Step 2: Convert to fraction form
    55,547.32/76,575.56 = 39,604.09/x
  3. Step 3: Cross multiply
    55,547.32x = 76,575.56 × 39,604.09
  4. Step 4: Simplify right side
    55,547.32x = 3,032,705,129.10
  5. Step 5: Solve for x
    x = 3,032,705,129.10/55,547.32
  6. Step 6: Final answer
    x = 54,596.79

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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.