Home / 54,587.05-75,331.60-30,714.57

Finding the Fourth Proportional to 54,587.05, 75,331.60 and 30,714.57

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Solution

The fourth proportional to 54,587.05, 75,331.60 and 30,714.57 is: 42,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.05 : 75,331.60 = 30,714.57 : x
  2. Step 2: Convert to fraction form
    54,587.05/75,331.60 = 30,714.57/x
  3. Step 3: Cross multiply
    54,587.05x = 75,331.60 × 30,714.57
  4. Step 4: Simplify right side
    54,587.05x = 2,313,777,624.63
  5. Step 5: Solve for x
    x = 2,313,777,624.63/54,587.05
  6. Step 6: Final answer
    x = 42,386.93

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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.