Home / 58,220.73-87,331.08-18,777.84

Finding the Fourth Proportional to 58,220.73, 87,331.08 and 18,777.84

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Solution

The fourth proportional to 58,220.73, 87,331.08 and 18,777.84 is: 28,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,220.73 : 87,331.08 = 18,777.84 : x
  2. Step 2: Convert to fraction form
    58,220.73/87,331.08 = 18,777.84/x
  3. Step 3: Cross multiply
    58,220.73x = 87,331.08 × 18,777.84
  4. Step 4: Simplify right side
    58,220.73x = 1,639,889,047.27
  5. Step 5: Solve for x
    x = 1,639,889,047.27/58,220.73
  6. Step 6: Final answer
    x = 28,166.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.