Home / 55,479.84-76,562.48-30,329.32

Finding the Fourth Proportional to 55,479.84, 76,562.48 and 30,329.32

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Solution

The fourth proportional to 55,479.84, 76,562.48 and 30,329.32 is: 41,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,479.84 : 76,562.48 = 30,329.32 : x
  2. Step 2: Convert to fraction form
    55,479.84/76,562.48 = 30,329.32/x
  3. Step 3: Cross multiply
    55,479.84x = 76,562.48 × 30,329.32
  4. Step 4: Simplify right side
    55,479.84x = 2,322,087,955.91
  5. Step 5: Solve for x
    x = 2,322,087,955.91/55,479.84
  6. Step 6: Final answer
    x = 41,854.63

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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.