Home / 37,288.40-51,465.36-21,383.60

Finding the Fourth Proportional to 37,288.40, 51,465.36 and 21,383.60

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Solution

The fourth proportional to 37,288.40, 51,465.36 and 21,383.60 is: 29,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.40 : 51,465.36 = 21,383.60 : x
  2. Step 2: Convert to fraction form
    37,288.40/51,465.36 = 21,383.60/x
  3. Step 3: Cross multiply
    37,288.40x = 51,465.36 × 21,383.60
  4. Step 4: Simplify right side
    37,288.40x = 1,100,514,672.10
  5. Step 5: Solve for x
    x = 1,100,514,672.10/37,288.40
  6. Step 6: Final answer
    x = 29,513.59

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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.