Home / 53,210.02-79,839.46-19,932.78

Finding the Fourth Proportional to 53,210.02, 79,839.46 and 19,932.78

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Solution

The fourth proportional to 53,210.02, 79,839.46 and 19,932.78 is: 29,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.02 : 79,839.46 = 19,932.78 : x
  2. Step 2: Convert to fraction form
    53,210.02/79,839.46 = 19,932.78/x
  3. Step 3: Cross multiply
    53,210.02x = 79,839.46 × 19,932.78
  4. Step 4: Simplify right side
    53,210.02x = 1,591,422,391.50
  5. Step 5: Solve for x
    x = 1,591,422,391.50/53,210.02
  6. Step 6: Final answer
    x = 29,908.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.