Home / 30,113.41-41,557.93-18,176.50

Finding the Fourth Proportional to 30,113.41, 41,557.93 and 18,176.50

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Solution

The fourth proportional to 30,113.41, 41,557.93 and 18,176.50 is: 25,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.41 : 41,557.93 = 18,176.50 : x
  2. Step 2: Convert to fraction form
    30,113.41/41,557.93 = 18,176.50/x
  3. Step 3: Cross multiply
    30,113.41x = 41,557.93 × 18,176.50
  4. Step 4: Simplify right side
    30,113.41x = 755,377,506.86
  5. Step 5: Solve for x
    x = 755,377,506.86/30,113.41
  6. Step 6: Final answer
    x = 25,084.42

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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.