Home / 35,421.32-53,119.21-11,724.49

Finding the Fourth Proportional to 35,421.32, 53,119.21 and 11,724.49

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Solution

The fourth proportional to 35,421.32, 53,119.21 and 11,724.49 is: 17,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.32 : 53,119.21 = 11,724.49 : x
  2. Step 2: Convert to fraction form
    35,421.32/53,119.21 = 11,724.49/x
  3. Step 3: Cross multiply
    35,421.32x = 53,119.21 × 11,724.49
  4. Step 4: Simplify right side
    35,421.32x = 622,795,322.23
  5. Step 5: Solve for x
    x = 622,795,322.23/35,421.32
  6. Step 6: Final answer
    x = 17,582.50

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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.