Home / 54,450.50-74,908.40-52,117.70

Finding the Fourth Proportional to 54,450.50, 74,908.40 and 52,117.70

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Solution

The fourth proportional to 54,450.50, 74,908.40 and 52,117.70 is: 71,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.50 : 74,908.40 = 52,117.70 : x
  2. Step 2: Convert to fraction form
    54,450.50/74,908.40 = 52,117.70/x
  3. Step 3: Cross multiply
    54,450.50x = 74,908.40 × 52,117.70
  4. Step 4: Simplify right side
    54,450.50x = 3,904,053,518.68
  5. Step 5: Solve for x
    x = 3,904,053,518.68/54,450.50
  6. Step 6: Final answer
    x = 71,699.13

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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.