Home / 54,117.04-74,678.73-30,239.05

Finding the Fourth Proportional to 54,117.04, 74,678.73 and 30,239.05

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Solution

The fourth proportional to 54,117.04, 74,678.73 and 30,239.05 is: 41,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.04 : 74,678.73 = 30,239.05 : x
  2. Step 2: Convert to fraction form
    54,117.04/74,678.73 = 30,239.05/x
  3. Step 3: Cross multiply
    54,117.04x = 74,678.73 × 30,239.05
  4. Step 4: Simplify right side
    54,117.04x = 2,258,213,850.41
  5. Step 5: Solve for x
    x = 2,258,213,850.41/54,117.04
  6. Step 6: Final answer
    x = 41,728.33

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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.