Home / 50,921.81-70,280.55-29,701.08

Finding the Fourth Proportional to 50,921.81, 70,280.55 and 29,701.08

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Solution

The fourth proportional to 50,921.81, 70,280.55 and 29,701.08 is: 40,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.81 : 70,280.55 = 29,701.08 : x
  2. Step 2: Convert to fraction form
    50,921.81/70,280.55 = 29,701.08/x
  3. Step 3: Cross multiply
    50,921.81x = 70,280.55 × 29,701.08
  4. Step 4: Simplify right side
    50,921.81x = 2,087,407,738.09
  5. Step 5: Solve for x
    x = 2,087,407,738.09/50,921.81
  6. Step 6: Final answer
    x = 40,992.41

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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.