Home / 21,551.07-29,733.55-13,050.48

Finding the Fourth Proportional to 21,551.07, 29,733.55 and 13,050.48

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Solution

The fourth proportional to 21,551.07, 29,733.55 and 13,050.48 is: 18,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.07 : 29,733.55 = 13,050.48 : x
  2. Step 2: Convert to fraction form
    21,551.07/29,733.55 = 13,050.48/x
  3. Step 3: Cross multiply
    21,551.07x = 29,733.55 × 13,050.48
  4. Step 4: Simplify right side
    21,551.07x = 388,037,099.60
  5. Step 5: Solve for x
    x = 388,037,099.60/21,551.07
  6. Step 6: Final answer
    x = 18,005.47

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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.