Home / 40,768.02-56,259.90-22,619.97

Finding the Fourth Proportional to 40,768.02, 56,259.90 and 22,619.97

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Solution

The fourth proportional to 40,768.02, 56,259.90 and 22,619.97 is: 31,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.02 : 56,259.90 = 22,619.97 : x
  2. Step 2: Convert to fraction form
    40,768.02/56,259.90 = 22,619.97/x
  3. Step 3: Cross multiply
    40,768.02x = 56,259.90 × 22,619.97
  4. Step 4: Simplify right side
    40,768.02x = 1,272,597,250.20
  5. Step 5: Solve for x
    x = 1,272,597,250.20/40,768.02
  6. Step 6: Final answer
    x = 31,215.58

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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.