Home / 37,512.48-51,765.29-20,513.42

Finding the Fourth Proportional to 37,512.48, 51,765.29 and 20,513.42

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Solution

The fourth proportional to 37,512.48, 51,765.29 and 20,513.42 is: 28,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512.48 : 51,765.29 = 20,513.42 : x
  2. Step 2: Convert to fraction form
    37,512.48/51,765.29 = 20,513.42/x
  3. Step 3: Cross multiply
    37,512.48x = 51,765.29 × 20,513.42
  4. Step 4: Simplify right side
    37,512.48x = 1,061,882,876.37
  5. Step 5: Solve for x
    x = 1,061,882,876.37/37,512.48
  6. Step 6: Final answer
    x = 28,307.46

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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.