Home / 38,903.44-53,670.85-28,718.85

Finding the Fourth Proportional to 38,903.44, 53,670.85 and 28,718.85

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Solution

The fourth proportional to 38,903.44, 53,670.85 and 28,718.85 is: 39,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903.44 : 53,670.85 = 28,718.85 : x
  2. Step 2: Convert to fraction form
    38,903.44/53,670.85 = 28,718.85/x
  3. Step 3: Cross multiply
    38,903.44x = 53,670.85 × 28,718.85
  4. Step 4: Simplify right side
    38,903.44x = 1,541,365,381.53
  5. Step 5: Solve for x
    x = 1,541,365,381.53/38,903.44
  6. Step 6: Final answer
    x = 39,620.29

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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.