Home / 29,135.30-40,358.99-28,544.81

Finding the Fourth Proportional to 29,135.30, 40,358.99 and 28,544.81

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Solution

The fourth proportional to 29,135.30, 40,358.99 and 28,544.81 is: 39,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.30 : 40,358.99 = 28,544.81 : x
  2. Step 2: Convert to fraction form
    29,135.30/40,358.99 = 28,544.81/x
  3. Step 3: Cross multiply
    29,135.30x = 40,358.99 × 28,544.81
  4. Step 4: Simplify right side
    29,135.30x = 1,152,039,356.82
  5. Step 5: Solve for x
    x = 1,152,039,356.82/29,135.30
  6. Step 6: Final answer
    x = 39,541.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.