Home / 35,687.03-53,519.87-10,720.40

Finding the Fourth Proportional to 35,687.03, 53,519.87 and 10,720.40

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Solution

The fourth proportional to 35,687.03, 53,519.87 and 10,720.40 is: 16,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.03 : 53,519.87 = 10,720.40 : x
  2. Step 2: Convert to fraction form
    35,687.03/53,519.87 = 10,720.40/x
  3. Step 3: Cross multiply
    35,687.03x = 53,519.87 × 10,720.40
  4. Step 4: Simplify right side
    35,687.03x = 573,754,173.55
  5. Step 5: Solve for x
    x = 573,754,173.55/35,687.03
  6. Step 6: Final answer
    x = 16,077.39

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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.