Home / 54,140.57-74,714.16-30,267.25

Finding the Fourth Proportional to 54,140.57, 74,714.16 and 30,267.25

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Solution

The fourth proportional to 54,140.57, 74,714.16 and 30,267.25 is: 41,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.57 : 74,714.16 = 30,267.25 : x
  2. Step 2: Convert to fraction form
    54,140.57/74,714.16 = 30,267.25/x
  3. Step 3: Cross multiply
    54,140.57x = 74,714.16 × 30,267.25
  4. Step 4: Simplify right side
    54,140.57x = 2,261,391,829.69
  5. Step 5: Solve for x
    x = 2,261,391,829.69/54,140.57
  6. Step 6: Final answer
    x = 41,768.89

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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.