Home / 30,588.87-45,877.83-8,099.70

Finding the Fourth Proportional to 30,588.87, 45,877.83 and 8,099.70

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Solution

The fourth proportional to 30,588.87, 45,877.83 and 8,099.70 is: 12,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.87 : 45,877.83 = 8,099.70 : x
  2. Step 2: Convert to fraction form
    30,588.87/45,877.83 = 8,099.70/x
  3. Step 3: Cross multiply
    30,588.87x = 45,877.83 × 8,099.70
  4. Step 4: Simplify right side
    30,588.87x = 371,596,457.24
  5. Step 5: Solve for x
    x = 371,596,457.24/30,588.87
  6. Step 6: Final answer
    x = 12,148.09

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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.