Home / 34,878.55-48,131.79-18,962.86

Finding the Fourth Proportional to 34,878.55, 48,131.79 and 18,962.86

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Solution

The fourth proportional to 34,878.55, 48,131.79 and 18,962.86 is: 26,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.55 : 48,131.79 = 18,962.86 : x
  2. Step 2: Convert to fraction form
    34,878.55/48,131.79 = 18,962.86/x
  3. Step 3: Cross multiply
    34,878.55x = 48,131.79 × 18,962.86
  4. Step 4: Simplify right side
    34,878.55x = 912,716,395.32
  5. Step 5: Solve for x
    x = 912,716,395.32/34,878.55
  6. Step 6: Final answer
    x = 26,168.42

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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.