Home / 35,479.36-53,219.25-10,519.64

Finding the Fourth Proportional to 35,479.36, 53,219.25 and 10,519.64

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Solution

The fourth proportional to 35,479.36, 53,219.25 and 10,519.64 is: 15,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.36 : 53,219.25 = 10,519.64 : x
  2. Step 2: Convert to fraction form
    35,479.36/53,219.25 = 10,519.64/x
  3. Step 3: Cross multiply
    35,479.36x = 53,219.25 × 10,519.64
  4. Step 4: Simplify right side
    35,479.36x = 559,847,351.07
  5. Step 5: Solve for x
    x = 559,847,351.07/35,479.36
  6. Step 6: Final answer
    x = 15,779.52

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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.