Home / 55,411.52-76,467.48-30,261

Finding the Fourth Proportional to 55,411.52, 76,467.48 and 30,261

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Solution

The fourth proportional to 55,411.52, 76,467.48 and 30,261 is: 41,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.52 : 76,467.48 = 30,261 : x
  2. Step 2: Convert to fraction form
    55,411.52/76,467.48 = 30,261/x
  3. Step 3: Cross multiply
    55,411.52x = 76,467.48 × 30,261
  4. Step 4: Simplify right side
    55,411.52x = 2,313,982,412.28
  5. Step 5: Solve for x
    x = 2,313,982,412.28/55,411.52
  6. Step 6: Final answer
    x = 41,759.95

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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.