Home / 35,753.36-49,339.32-20,649.20

Finding the Fourth Proportional to 35,753.36, 49,339.32 and 20,649.20

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Solution

The fourth proportional to 35,753.36, 49,339.32 and 20,649.20 is: 28,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,753.36 : 49,339.32 = 20,649.20 : x
  2. Step 2: Convert to fraction form
    35,753.36/49,339.32 = 20,649.20/x
  3. Step 3: Cross multiply
    35,753.36x = 49,339.32 × 20,649.20
  4. Step 4: Simplify right side
    35,753.36x = 1,018,817,486.54
  5. Step 5: Solve for x
    x = 1,018,817,486.54/35,753.36
  6. Step 6: Final answer
    x = 28,495.71

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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.