Home / 35,555.28-53,333.56-19,939.28

Finding the Fourth Proportional to 35,555.28, 53,333.56 and 19,939.28

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Solution

The fourth proportional to 35,555.28, 53,333.56 and 19,939.28 is: 29,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.28 : 53,333.56 = 19,939.28 : x
  2. Step 2: Convert to fraction form
    35,555.28/53,333.56 = 19,939.28/x
  3. Step 3: Cross multiply
    35,555.28x = 53,333.56 × 19,939.28
  4. Step 4: Simplify right side
    35,555.28x = 1,063,432,786.24
  5. Step 5: Solve for x
    x = 1,063,432,786.24/35,555.28
  6. Step 6: Final answer
    x = 29,909.28

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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.