Home / 30,113.66-41,558.28-18,176.74

Finding the Fourth Proportional to 30,113.66, 41,558.28 and 18,176.74

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Solution

The fourth proportional to 30,113.66, 41,558.28 and 18,176.74 is: 25,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.66 : 41,558.28 = 18,176.74 : x
  2. Step 2: Convert to fraction form
    30,113.66/41,558.28 = 18,176.74/x
  3. Step 3: Cross multiply
    30,113.66x = 41,558.28 × 18,176.74
  4. Step 4: Simplify right side
    30,113.66x = 755,394,050.41
  5. Step 5: Solve for x
    x = 755,394,050.41/30,113.66
  6. Step 6: Final answer
    x = 25,084.76

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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.