Home / 54,740.46-75,438.60-39,607.50

Finding the Fourth Proportional to 54,740.46, 75,438.60 and 39,607.50

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Solution

The fourth proportional to 54,740.46, 75,438.60 and 39,607.50 is: 54,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.46 : 75,438.60 = 39,607.50 : x
  2. Step 2: Convert to fraction form
    54,740.46/75,438.60 = 39,607.50/x
  3. Step 3: Cross multiply
    54,740.46x = 75,438.60 × 39,607.50
  4. Step 4: Simplify right side
    54,740.46x = 2,987,934,349.50
  5. Step 5: Solve for x
    x = 2,987,934,349.50/54,740.46
  6. Step 6: Final answer
    x = 54,583.65

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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.