Home / 54,138.96-74,712.74-30,263.07

Finding the Fourth Proportional to 54,138.96, 74,712.74 and 30,263.07

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Solution

The fourth proportional to 54,138.96, 74,712.74 and 30,263.07 is: 41,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.96 : 74,712.74 = 30,263.07 : x
  2. Step 2: Convert to fraction form
    54,138.96/74,712.74 = 30,263.07/x
  3. Step 3: Cross multiply
    54,138.96x = 74,712.74 × 30,263.07
  4. Step 4: Simplify right side
    54,138.96x = 2,261,036,880.51
  5. Step 5: Solve for x
    x = 2,261,036,880.51/54,138.96
  6. Step 6: Final answer
    x = 41,763.58

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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.