Home / 34,868.60-48,131.36-21,457.84

Finding the Fourth Proportional to 34,868.60, 48,131.36 and 21,457.84

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Solution

The fourth proportional to 34,868.60, 48,131.36 and 21,457.84 is: 29,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,868.60 : 48,131.36 = 21,457.84 : x
  2. Step 2: Convert to fraction form
    34,868.60/48,131.36 = 21,457.84/x
  3. Step 3: Cross multiply
    34,868.60x = 48,131.36 × 21,457.84
  4. Step 4: Simplify right side
    34,868.60x = 1,032,795,021.86
  5. Step 5: Solve for x
    x = 1,032,795,021.86/34,868.60
  6. Step 6: Final answer
    x = 29,619.63

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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.