Home / 53,546.61-73,893.09-30,885.66

Finding the Fourth Proportional to 53,546.61, 73,893.09 and 30,885.66

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Solution

The fourth proportional to 53,546.61, 73,893.09 and 30,885.66 is: 42,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,546.61 : 73,893.09 = 30,885.66 : x
  2. Step 2: Convert to fraction form
    53,546.61/73,893.09 = 30,885.66/x
  3. Step 3: Cross multiply
    53,546.61x = 73,893.09 × 30,885.66
  4. Step 4: Simplify right side
    53,546.61x = 2,282,236,854.09
  5. Step 5: Solve for x
    x = 2,282,236,854.09/53,546.61
  6. Step 6: Final answer
    x = 42,621.50

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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.