Home / 40,661.40-56,112.94-22,756.38

Finding the Fourth Proportional to 40,661.40, 56,112.94 and 22,756.38

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Solution

The fourth proportional to 40,661.40, 56,112.94 and 22,756.38 is: 31,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,661.40 : 56,112.94 = 22,756.38 : x
  2. Step 2: Convert to fraction form
    40,661.40/56,112.94 = 22,756.38/x
  3. Step 3: Cross multiply
    40,661.40x = 56,112.94 × 22,756.38
  4. Step 4: Simplify right side
    40,661.40x = 1,276,927,385.56
  5. Step 5: Solve for x
    x = 1,276,927,385.56/40,661.40
  6. Step 6: Final answer
    x = 31,403.92

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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.