Home / 35,490.44-48,955.20-21,140.84

Finding the Fourth Proportional to 35,490.44, 48,955.20 and 21,140.84

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Solution

The fourth proportional to 35,490.44, 48,955.20 and 21,140.84 is: 29,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.44 : 48,955.20 = 21,140.84 : x
  2. Step 2: Convert to fraction form
    35,490.44/48,955.20 = 21,140.84/x
  3. Step 3: Cross multiply
    35,490.44x = 48,955.20 × 21,140.84
  4. Step 4: Simplify right side
    35,490.44x = 1,034,954,050.37
  5. Step 5: Solve for x
    x = 1,034,954,050.37/35,490.44
  6. Step 6: Final answer
    x = 29,161.49

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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.