Home / 29,870.76-41,220.60-16,441.92

Finding the Fourth Proportional to 29,870.76, 41,220.60 and 16,441.92

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Solution

The fourth proportional to 29,870.76, 41,220.60 and 16,441.92 is: 22,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.76 : 41,220.60 = 16,441.92 : x
  2. Step 2: Convert to fraction form
    29,870.76/41,220.60 = 16,441.92/x
  3. Step 3: Cross multiply
    29,870.76x = 41,220.60 × 16,441.92
  4. Step 4: Simplify right side
    29,870.76x = 677,745,807.55
  5. Step 5: Solve for x
    x = 677,745,807.55/29,870.76
  6. Step 6: Final answer
    x = 22,689.27

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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.