Home / 54,866.21-75,714.45-30,667.74

Finding the Fourth Proportional to 54,866.21, 75,714.45 and 30,667.74

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Solution

The fourth proportional to 54,866.21, 75,714.45 and 30,667.74 is: 42,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.21 : 75,714.45 = 30,667.74 : x
  2. Step 2: Convert to fraction form
    54,866.21/75,714.45 = 30,667.74/x
  3. Step 3: Cross multiply
    54,866.21x = 75,714.45 × 30,667.74
  4. Step 4: Simplify right side
    54,866.21x = 2,321,991,066.84
  5. Step 5: Solve for x
    x = 2,321,991,066.84/54,866.21
  6. Step 6: Final answer
    x = 42,320.97

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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.