Home / 29,555.28-40,787.85-16,980.84

Finding the Fourth Proportional to 29,555.28, 40,787.85 and 16,980.84

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Solution

The fourth proportional to 29,555.28, 40,787.85 and 16,980.84 is: 23,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.28 : 40,787.85 = 16,980.84 : x
  2. Step 2: Convert to fraction form
    29,555.28/40,787.85 = 16,980.84/x
  3. Step 3: Cross multiply
    29,555.28x = 40,787.85 × 16,980.84
  4. Step 4: Simplify right side
    29,555.28x = 692,611,954.79
  5. Step 5: Solve for x
    x = 692,611,954.79/29,555.28
  6. Step 6: Final answer
    x = 23,434.46

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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.