Home / 29,151.46-40,242.72-22,787.32

Finding the Fourth Proportional to 29,151.46, 40,242.72 and 22,787.32

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Solution

The fourth proportional to 29,151.46, 40,242.72 and 22,787.32 is: 31,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,151.46 : 40,242.72 = 22,787.32 : x
  2. Step 2: Convert to fraction form
    29,151.46/40,242.72 = 22,787.32/x
  3. Step 3: Cross multiply
    29,151.46x = 40,242.72 × 22,787.32
  4. Step 4: Simplify right side
    29,151.46x = 917,023,738.31
  5. Step 5: Solve for x
    x = 917,023,738.31/29,151.46
  6. Step 6: Final answer
    x = 31,457.21

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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.