Home / 30,595.57-42,221.22-16,982.81

Finding the Fourth Proportional to 30,595.57, 42,221.22 and 16,982.81

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Solution

The fourth proportional to 30,595.57, 42,221.22 and 16,982.81 is: 23,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.57 : 42,221.22 = 16,982.81 : x
  2. Step 2: Convert to fraction form
    30,595.57/42,221.22 = 16,982.81/x
  3. Step 3: Cross multiply
    30,595.57x = 42,221.22 × 16,982.81
  4. Step 4: Simplify right side
    30,595.57x = 717,035,221.55
  5. Step 5: Solve for x
    x = 717,035,221.55/30,595.57
  6. Step 6: Final answer
    x = 23,435.91

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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.