Home / 35,120.12-52,707.85-15,412.28

Finding the Fourth Proportional to 35,120.12, 52,707.85 and 15,412.28

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Solution

The fourth proportional to 35,120.12, 52,707.85 and 15,412.28 is: 23,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.12 : 52,707.85 = 15,412.28 : x
  2. Step 2: Convert to fraction form
    35,120.12/52,707.85 = 15,412.28/x
  3. Step 3: Cross multiply
    35,120.12x = 52,707.85 × 15,412.28
  4. Step 4: Simplify right side
    35,120.12x = 812,347,840.33
  5. Step 5: Solve for x
    x = 812,347,840.33/35,120.12
  6. Step 6: Final answer
    x = 23,130.56

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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.