Home / 35,051.28-48,365.06-20,709.12

Finding the Fourth Proportional to 35,051.28, 48,365.06 and 20,709.12

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Solution

The fourth proportional to 35,051.28, 48,365.06 and 20,709.12 is: 28,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,051.28 : 48,365.06 = 20,709.12 : x
  2. Step 2: Convert to fraction form
    35,051.28/48,365.06 = 20,709.12/x
  3. Step 3: Cross multiply
    35,051.28x = 48,365.06 × 20,709.12
  4. Step 4: Simplify right side
    35,051.28x = 1,001,597,831.35
  5. Step 5: Solve for x
    x = 1,001,597,831.35/35,051.28
  6. Step 6: Final answer
    x = 28,575.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.