Home / 37,512.73-51,765.64-20,513.67

Finding the Fourth Proportional to 37,512.73, 51,765.64 and 20,513.67

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Solution

The fourth proportional to 37,512.73, 51,765.64 and 20,513.67 is: 28,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512.73 : 51,765.64 = 20,513.67 : x
  2. Step 2: Convert to fraction form
    37,512.73/51,765.64 = 20,513.67/x
  3. Step 3: Cross multiply
    37,512.73x = 51,765.64 × 20,513.67
  4. Step 4: Simplify right side
    37,512.73x = 1,061,903,024.32
  5. Step 5: Solve for x
    x = 1,061,903,024.32/37,512.73
  6. Step 6: Final answer
    x = 28,307.80

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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.