Home / 54,984.65-75,878.82-31,110.84

Finding the Fourth Proportional to 54,984.65, 75,878.82 and 31,110.84

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Solution

The fourth proportional to 54,984.65, 75,878.82 and 31,110.84 is: 42,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.65 : 75,878.82 = 31,110.84 : x
  2. Step 2: Convert to fraction form
    54,984.65/75,878.82 = 31,110.84/x
  3. Step 3: Cross multiply
    54,984.65x = 75,878.82 × 31,110.84
  4. Step 4: Simplify right side
    54,984.65x = 2,360,653,828.41
  5. Step 5: Solve for x
    x = 2,360,653,828.41/54,984.65
  6. Step 6: Final answer
    x = 42,932.96

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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.