Home / 35,911.52-49,550.40-20,803.28

Finding the Fourth Proportional to 35,911.52, 49,550.40 and 20,803.28

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Solution

The fourth proportional to 35,911.52, 49,550.40 and 20,803.28 is: 28,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.52 : 49,550.40 = 20,803.28 : x
  2. Step 2: Convert to fraction form
    35,911.52/49,550.40 = 20,803.28/x
  3. Step 3: Cross multiply
    35,911.52x = 49,550.40 × 20,803.28
  4. Step 4: Simplify right side
    35,911.52x = 1,030,810,845.31
  5. Step 5: Solve for x
    x = 1,030,810,845.31/35,911.52
  6. Step 6: Final answer
    x = 28,704.18

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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.