Home / 52,450.69-72,391.32-30,939.11

Finding the Fourth Proportional to 52,450.69, 72,391.32 and 30,939.11

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Solution

The fourth proportional to 52,450.69, 72,391.32 and 30,939.11 is: 42,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.69 : 72,391.32 = 30,939.11 : x
  2. Step 2: Convert to fraction form
    52,450.69/72,391.32 = 30,939.11/x
  3. Step 3: Cross multiply
    52,450.69x = 72,391.32 × 30,939.11
  4. Step 4: Simplify right side
    52,450.69x = 2,239,723,329.24
  5. Step 5: Solve for x
    x = 2,239,723,329.24/52,450.69
  6. Step 6: Final answer
    x = 42,701.50

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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.