Home / 54,740.70-75,438.94-39,607.74

Finding the Fourth Proportional to 54,740.70, 75,438.94 and 39,607.74

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Solution

The fourth proportional to 54,740.70, 75,438.94 and 39,607.74 is: 54,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.70 : 75,438.94 = 39,607.74 : x
  2. Step 2: Convert to fraction form
    54,740.70/75,438.94 = 39,607.74/x
  3. Step 3: Cross multiply
    54,740.70x = 75,438.94 × 39,607.74
  4. Step 4: Simplify right side
    54,740.70x = 2,987,965,921.40
  5. Step 5: Solve for x
    x = 2,987,965,921.40/54,740.70
  6. Step 6: Final answer
    x = 54,583.99

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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.