Home / 35,106.81-48,447.50-20,959.35

Finding the Fourth Proportional to 35,106.81, 48,447.50 and 20,959.35

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Solution

The fourth proportional to 35,106.81, 48,447.50 and 20,959.35 is: 28,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,106.81 : 48,447.50 = 20,959.35 : x
  2. Step 2: Convert to fraction form
    35,106.81/48,447.50 = 20,959.35/x
  3. Step 3: Cross multiply
    35,106.81x = 48,447.50 × 20,959.35
  4. Step 4: Simplify right side
    35,106.81x = 1,015,428,004.33
  5. Step 5: Solve for x
    x = 1,015,428,004.33/35,106.81
  6. Step 6: Final answer
    x = 28,923.96

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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.