Home / 58,219.80-87,331.84-18,777.48

Finding the Fourth Proportional to 58,219.80, 87,331.84 and 18,777.48

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Solution

The fourth proportional to 58,219.80, 87,331.84 and 18,777.48 is: 28,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,219.80 : 87,331.84 = 18,777.48 : x
  2. Step 2: Convert to fraction form
    58,219.80/87,331.84 = 18,777.48/x
  3. Step 3: Cross multiply
    58,219.80x = 87,331.84 × 18,777.48
  4. Step 4: Simplify right side
    58,219.80x = 1,639,871,878.96
  5. Step 5: Solve for x
    x = 1,639,871,878.96/58,219.80
  6. Step 6: Final answer
    x = 28,166.91

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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.