Home / 29,118.08-40,172.32-16,535.52

Finding the Fourth Proportional to 29,118.08, 40,172.32 and 16,535.52

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Solution

The fourth proportional to 29,118.08, 40,172.32 and 16,535.52 is: 22,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.08 : 40,172.32 = 16,535.52 : x
  2. Step 2: Convert to fraction form
    29,118.08/40,172.32 = 16,535.52/x
  3. Step 3: Cross multiply
    29,118.08x = 40,172.32 × 16,535.52
  4. Step 4: Simplify right side
    29,118.08x = 664,270,200.81
  5. Step 5: Solve for x
    x = 664,270,200.81/29,118.08
  6. Step 6: Final answer
    x = 22,812.98

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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.