Home / 54,159.23-74,740.73-30,285.39

Finding the Fourth Proportional to 54,159.23, 74,740.73 and 30,285.39

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Solution

The fourth proportional to 54,159.23, 74,740.73 and 30,285.39 is: 41,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.23 : 74,740.73 = 30,285.39 : x
  2. Step 2: Convert to fraction form
    54,159.23/74,740.73 = 30,285.39/x
  3. Step 3: Cross multiply
    54,159.23x = 74,740.73 × 30,285.39
  4. Step 4: Simplify right side
    54,159.23x = 2,263,552,285.79
  5. Step 5: Solve for x
    x = 2,263,552,285.79/54,159.23
  6. Step 6: Final answer
    x = 41,794.39

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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.