Home / 41,139.10-56,772.18-22,276.21

Finding the Fourth Proportional to 41,139.10, 56,772.18 and 22,276.21

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Solution

The fourth proportional to 41,139.10, 56,772.18 and 22,276.21 is: 30,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.10 : 56,772.18 = 22,276.21 : x
  2. Step 2: Convert to fraction form
    41,139.10/56,772.18 = 22,276.21/x
  3. Step 3: Cross multiply
    41,139.10x = 56,772.18 × 22,276.21
  4. Step 4: Simplify right side
    41,139.10x = 1,264,669,003.84
  5. Step 5: Solve for x
    x = 1,264,669,003.84/41,139.10
  6. Step 6: Final answer
    x = 30,741.29

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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.