Home / 54,216.74-74,819.48-30,345.63

Finding the Fourth Proportional to 54,216.74, 74,819.48 and 30,345.63

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Solution

The fourth proportional to 54,216.74, 74,819.48 and 30,345.63 is: 41,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.74 : 74,819.48 = 30,345.63 : x
  2. Step 2: Convert to fraction form
    54,216.74/74,819.48 = 30,345.63/x
  3. Step 3: Cross multiply
    54,216.74x = 74,819.48 × 30,345.63
  4. Step 4: Simplify right side
    54,216.74x = 2,270,444,105.14
  5. Step 5: Solve for x
    x = 2,270,444,105.14/54,216.74
  6. Step 6: Final answer
    x = 41,877.18

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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.