Home / 65,090.77-97,636.97-20,717.35

Finding the Fourth Proportional to 65,090.77, 97,636.97 and 20,717.35

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Solution

The fourth proportional to 65,090.77, 97,636.97 and 20,717.35 is: 31,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,090.77 : 97,636.97 = 20,717.35 : x
  2. Step 2: Convert to fraction form
    65,090.77/97,636.97 = 20,717.35/x
  3. Step 3: Cross multiply
    65,090.77x = 97,636.97 × 20,717.35
  4. Step 4: Simplify right side
    65,090.77x = 2,022,779,280.43
  5. Step 5: Solve for x
    x = 2,022,779,280.43/65,090.77
  6. Step 6: Final answer
    x = 31,076.28

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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.