Home / 29,035.32-40,068.46-15,787.32

Finding the Fourth Proportional to 29,035.32, 40,068.46 and 15,787.32

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Solution

The fourth proportional to 29,035.32, 40,068.46 and 15,787.32 is: 21,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.32 : 40,068.46 = 15,787.32 : x
  2. Step 2: Convert to fraction form
    29,035.32/40,068.46 = 15,787.32/x
  3. Step 3: Cross multiply
    29,035.32x = 40,068.46 × 15,787.32
  4. Step 4: Simplify right side
    29,035.32x = 632,573,599.93
  5. Step 5: Solve for x
    x = 632,573,599.93/29,035.32
  6. Step 6: Final answer
    x = 21,786.35

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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.