Home / 65,985.22-91,059.55-35,771.51

Finding the Fourth Proportional to 65,985.22, 91,059.55 and 35,771.51

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Solution

The fourth proportional to 65,985.22, 91,059.55 and 35,771.51 is: 49,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,985.22 : 91,059.55 = 35,771.51 : x
  2. Step 2: Convert to fraction form
    65,985.22/91,059.55 = 35,771.51/x
  3. Step 3: Cross multiply
    65,985.22x = 91,059.55 × 35,771.51
  4. Step 4: Simplify right side
    65,985.22x = 3,257,337,603.42
  5. Step 5: Solve for x
    x = 3,257,337,603.42/65,985.22
  6. Step 6: Final answer
    x = 49,364.65

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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.