Home / 50,888.32-70,223.40-28,228.20

Finding the Fourth Proportional to 50,888.32, 70,223.40 and 28,228.20

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Solution

The fourth proportional to 50,888.32, 70,223.40 and 28,228.20 is: 38,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,888.32 : 70,223.40 = 28,228.20 : x
  2. Step 2: Convert to fraction form
    50,888.32/70,223.40 = 28,228.20/x
  3. Step 3: Cross multiply
    50,888.32x = 70,223.40 × 28,228.20
  4. Step 4: Simplify right side
    50,888.32x = 1,982,280,179.88
  5. Step 5: Solve for x
    x = 1,982,280,179.88/50,888.32
  6. Step 6: Final answer
    x = 38,953.54

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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.