Home / 29,037.60-43,556.40-21,164.40

Finding the Fourth Proportional to 29,037.60, 43,556.40 and 21,164.40

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Solution

The fourth proportional to 29,037.60, 43,556.40 and 21,164.40 is: 31,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,037.60 : 43,556.40 = 21,164.40 : x
  2. Step 2: Convert to fraction form
    29,037.60/43,556.40 = 21,164.40/x
  3. Step 3: Cross multiply
    29,037.60x = 43,556.40 × 21,164.40
  4. Step 4: Simplify right side
    29,037.60x = 921,845,072.16
  5. Step 5: Solve for x
    x = 921,845,072.16/29,037.60
  6. Step 6: Final answer
    x = 31,746.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.