Home / 29,617.05-40,871.47-16,870.23

Finding the Fourth Proportional to 29,617.05, 40,871.47 and 16,870.23

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Solution

The fourth proportional to 29,617.05, 40,871.47 and 16,870.23 is: 23,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.05 : 40,871.47 = 16,870.23 : x
  2. Step 2: Convert to fraction form
    29,617.05/40,871.47 = 16,870.23/x
  3. Step 3: Cross multiply
    29,617.05x = 40,871.47 × 16,870.23
  4. Step 4: Simplify right side
    29,617.05x = 689,510,868.92
  5. Step 5: Solve for x
    x = 689,510,868.92/29,617.05
  6. Step 6: Final answer
    x = 23,280.88

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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.