Home / 38,445.56-53,042.66-30,353.64

Finding the Fourth Proportional to 38,445.56, 53,042.66 and 30,353.64

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Solution

The fourth proportional to 38,445.56, 53,042.66 and 30,353.64 is: 41,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.56 : 53,042.66 = 30,353.64 : x
  2. Step 2: Convert to fraction form
    38,445.56/53,042.66 = 30,353.64/x
  3. Step 3: Cross multiply
    38,445.56x = 53,042.66 × 30,353.64
  4. Step 4: Simplify right side
    38,445.56x = 1,610,037,806.28
  5. Step 5: Solve for x
    x = 1,610,037,806.28/38,445.56
  6. Step 6: Final answer
    x = 41,878.38

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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.