Home / 38,893.50-53,679.51-29,445.66

Finding the Fourth Proportional to 38,893.50, 53,679.51 and 29,445.66

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Solution

The fourth proportional to 38,893.50, 53,679.51 and 29,445.66 is: 40,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.50 : 53,679.51 = 29,445.66 : x
  2. Step 2: Convert to fraction form
    38,893.50/53,679.51 = 29,445.66/x
  3. Step 3: Cross multiply
    38,893.50x = 53,679.51 × 29,445.66
  4. Step 4: Simplify right side
    38,893.50x = 1,580,628,600.43
  5. Step 5: Solve for x
    x = 1,580,628,600.43/38,893.50
  6. Step 6: Final answer
    x = 40,639.92

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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.