Home / 34,839.10-48,078.48-18,923.86

Finding the Fourth Proportional to 34,839.10, 48,078.48 and 18,923.86

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Solution

The fourth proportional to 34,839.10, 48,078.48 and 18,923.86 is: 26,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.10 : 48,078.48 = 18,923.86 : x
  2. Step 2: Convert to fraction form
    34,839.10/48,078.48 = 18,923.86/x
  3. Step 3: Cross multiply
    34,839.10x = 48,078.48 × 18,923.86
  4. Step 4: Simplify right side
    34,839.10x = 909,830,424.53
  5. Step 5: Solve for x
    x = 909,830,424.53/34,839.10
  6. Step 6: Final answer
    x = 26,115.21

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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.