Home / 54,740.45-75,438.60-39,607.49

Finding the Fourth Proportional to 54,740.45, 75,438.60 and 39,607.49

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Solution

The fourth proportional to 54,740.45, 75,438.60 and 39,607.49 is: 54,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.45 : 75,438.60 = 39,607.49 : x
  2. Step 2: Convert to fraction form
    54,740.45/75,438.60 = 39,607.49/x
  3. Step 3: Cross multiply
    54,740.45x = 75,438.60 × 39,607.49
  4. Step 4: Simplify right side
    54,740.45x = 2,987,933,595.11
  5. Step 5: Solve for x
    x = 2,987,933,595.11/54,740.45
  6. Step 6: Final answer
    x = 54,583.65

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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.