Home / 65,078.22-97,615.51-20,707.64

Finding the Fourth Proportional to 65,078.22, 97,615.51 and 20,707.64

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Solution

The fourth proportional to 65,078.22, 97,615.51 and 20,707.64 is: 31,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,078.22 : 97,615.51 = 20,707.64 : x
  2. Step 2: Convert to fraction form
    65,078.22/97,615.51 = 20,707.64/x
  3. Step 3: Cross multiply
    65,078.22x = 97,615.51 × 20,707.64
  4. Step 4: Simplify right side
    65,078.22x = 2,021,386,839.50
  5. Step 5: Solve for x
    x = 2,021,386,839.50/65,078.22
  6. Step 6: Final answer
    x = 31,060.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.