Home / 50,928.21-70,280.91-29,703.38

Finding the Fourth Proportional to 50,928.21, 70,280.91 and 29,703.38

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Solution

The fourth proportional to 50,928.21, 70,280.91 and 29,703.38 is: 40,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.21 : 70,280.91 = 29,703.38 : x
  2. Step 2: Convert to fraction form
    50,928.21/70,280.91 = 29,703.38/x
  3. Step 3: Cross multiply
    50,928.21x = 70,280.91 × 29,703.38
  4. Step 4: Simplify right side
    50,928.21x = 2,087,580,225.07
  5. Step 5: Solve for x
    x = 2,087,580,225.07/50,928.21
  6. Step 6: Final answer
    x = 40,990.65

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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.