Home / 40,807.80-56,313.72-22,907.16

Finding the Fourth Proportional to 40,807.80, 56,313.72 and 22,907.16

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Solution

The fourth proportional to 40,807.80, 56,313.72 and 22,907.16 is: 31,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.80 : 56,313.72 = 22,907.16 : x
  2. Step 2: Convert to fraction form
    40,807.80/56,313.72 = 22,907.16/x
  3. Step 3: Cross multiply
    40,807.80x = 56,313.72 × 22,907.16
  4. Step 4: Simplify right side
    40,807.80x = 1,289,987,394.24
  5. Step 5: Solve for x
    x = 1,289,987,394.24/40,807.80
  6. Step 6: Final answer
    x = 31,611.29

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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.