Home / 40,907.50-61,354.41-11,328.32

Finding the Fourth Proportional to 40,907.50, 61,354.41 and 11,328.32

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Solution

The fourth proportional to 40,907.50, 61,354.41 and 11,328.32 is: 16,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.50 : 61,354.41 = 11,328.32 : x
  2. Step 2: Convert to fraction form
    40,907.50/61,354.41 = 11,328.32/x
  3. Step 3: Cross multiply
    40,907.50x = 61,354.41 × 11,328.32
  4. Step 4: Simplify right side
    40,907.50x = 695,042,564.52
  5. Step 5: Solve for x
    x = 695,042,564.52/40,907.50
  6. Step 6: Final answer
    x = 16,990.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.