Home / 29,272.59-40,353.93-20,874.51

Finding the Fourth Proportional to 29,272.59, 40,353.93 and 20,874.51

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Solution

The fourth proportional to 29,272.59, 40,353.93 and 20,874.51 is: 28,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.59 : 40,353.93 = 20,874.51 : x
  2. Step 2: Convert to fraction form
    29,272.59/40,353.93 = 20,874.51/x
  3. Step 3: Cross multiply
    29,272.59x = 40,353.93 × 20,874.51
  4. Step 4: Simplify right side
    29,272.59x = 842,368,515.32
  5. Step 5: Solve for x
    x = 842,368,515.32/29,272.59
  6. Step 6: Final answer
    x = 28,776.70

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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.