Home / 35,756.56-49,346.41-20,649.86

Finding the Fourth Proportional to 35,756.56, 49,346.41 and 20,649.86

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Solution

The fourth proportional to 35,756.56, 49,346.41 and 20,649.86 is: 28,498.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.56 : 49,346.41 = 20,649.86 : x
  2. Step 2: Convert to fraction form
    35,756.56/49,346.41 = 20,649.86/x
  3. Step 3: Cross multiply
    35,756.56x = 49,346.41 × 20,649.86
  4. Step 4: Simplify right side
    35,756.56x = 1,018,996,458.00
  5. Step 5: Solve for x
    x = 1,018,996,458.00/35,756.56
  6. Step 6: Final answer
    x = 28,498.17

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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.