Home / 65,513.22-90,408.54-37,220.46

Finding the Fourth Proportional to 65,513.22, 90,408.54 and 37,220.46

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Solution

The fourth proportional to 65,513.22, 90,408.54 and 37,220.46 is: 51,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,513.22 : 90,408.54 = 37,220.46 : x
  2. Step 2: Convert to fraction form
    65,513.22/90,408.54 = 37,220.46/x
  3. Step 3: Cross multiply
    65,513.22x = 90,408.54 × 37,220.46
  4. Step 4: Simplify right side
    65,513.22x = 3,365,047,446.73
  5. Step 5: Solve for x
    x = 3,365,047,446.73/65,513.22
  6. Step 6: Final answer
    x = 51,364.40

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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.