Home / 35,758.08-49,343.76-20,649.60

Finding the Fourth Proportional to 35,758.08, 49,343.76 and 20,649.60

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Solution

The fourth proportional to 35,758.08, 49,343.76 and 20,649.60 is: 28,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,758.08 : 49,343.76 = 20,649.60 : x
  2. Step 2: Convert to fraction form
    35,758.08/49,343.76 = 20,649.60/x
  3. Step 3: Cross multiply
    35,758.08x = 49,343.76 × 20,649.60
  4. Step 4: Simplify right side
    35,758.08x = 1,018,928,906.50
  5. Step 5: Solve for x
    x = 1,018,928,906.50/35,758.08
  6. Step 6: Final answer
    x = 28,495.07

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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.