Home / 45,083.60-67,588.76-18,807.92

Finding the Fourth Proportional to 45,083.60, 67,588.76 and 18,807.92

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Solution

The fourth proportional to 45,083.60, 67,588.76 and 18,807.92 is: 28,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.60 : 67,588.76 = 18,807.92 : x
  2. Step 2: Convert to fraction form
    45,083.60/67,588.76 = 18,807.92/x
  3. Step 3: Cross multiply
    45,083.60x = 67,588.76 × 18,807.92
  4. Step 4: Simplify right side
    45,083.60x = 1,271,203,990.98
  5. Step 5: Solve for x
    x = 1,271,203,990.98/45,083.60
  6. Step 6: Final answer
    x = 28,196.59

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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.