Home / 54,937.63-82,357.56-19,869.49

Finding the Fourth Proportional to 54,937.63, 82,357.56 and 19,869.49

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Solution

The fourth proportional to 54,937.63, 82,357.56 and 19,869.49 is: 29,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.63 : 82,357.56 = 19,869.49 : x
  2. Step 2: Convert to fraction form
    54,937.63/82,357.56 = 19,869.49/x
  3. Step 3: Cross multiply
    54,937.63x = 82,357.56 × 19,869.49
  4. Step 4: Simplify right side
    54,937.63x = 1,636,402,714.84
  5. Step 5: Solve for x
    x = 1,636,402,714.84/54,937.63
  6. Step 6: Final answer
    x = 29,786.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.