Home / 54,864.71-75,714.86-30,992.39

Finding the Fourth Proportional to 54,864.71, 75,714.86 and 30,992.39

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Solution

The fourth proportional to 54,864.71, 75,714.86 and 30,992.39 is: 42,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.71 : 75,714.86 = 30,992.39 : x
  2. Step 2: Convert to fraction form
    54,864.71/75,714.86 = 30,992.39/x
  3. Step 3: Cross multiply
    54,864.71x = 75,714.86 × 30,992.39
  4. Step 4: Simplify right side
    54,864.71x = 2,346,584,314.95
  5. Step 5: Solve for x
    x = 2,346,584,314.95/54,864.71
  6. Step 6: Final answer
    x = 42,770.38

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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.