Home / 38,676.88-53,349.60-34,127.92

Finding the Fourth Proportional to 38,676.88, 53,349.60 and 34,127.92

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Solution

The fourth proportional to 38,676.88, 53,349.60 and 34,127.92 is: 47,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676.88 : 53,349.60 = 34,127.92 : x
  2. Step 2: Convert to fraction form
    38,676.88/53,349.60 = 34,127.92/x
  3. Step 3: Cross multiply
    38,676.88x = 53,349.60 × 34,127.92
  4. Step 4: Simplify right side
    38,676.88x = 1,820,710,880.83
  5. Step 5: Solve for x
    x = 1,820,710,880.83/38,676.88
  6. Step 6: Final answer
    x = 47,074.92

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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.