Home / 52,091.02-71,885.32-28,218.16

Finding the Fourth Proportional to 52,091.02, 71,885.32 and 28,218.16

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Solution

The fourth proportional to 52,091.02, 71,885.32 and 28,218.16 is: 38,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.02 : 71,885.32 = 28,218.16 : x
  2. Step 2: Convert to fraction form
    52,091.02/71,885.32 = 28,218.16/x
  3. Step 3: Cross multiply
    52,091.02x = 71,885.32 × 28,218.16
  4. Step 4: Simplify right side
    52,091.02x = 2,028,471,461.41
  5. Step 5: Solve for x
    x = 2,028,471,461.41/52,091.02
  6. Step 6: Final answer
    x = 38,940.91

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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.