Home / 65,337.72-97,999.86-20,996.28

Finding the Fourth Proportional to 65,337.72, 97,999.86 and 20,996.28

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Solution

The fourth proportional to 65,337.72, 97,999.86 and 20,996.28 is: 31,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.72 : 97,999.86 = 20,996.28 : x
  2. Step 2: Convert to fraction form
    65,337.72/97,999.86 = 20,996.28/x
  3. Step 3: Cross multiply
    65,337.72x = 97,999.86 × 20,996.28
  4. Step 4: Simplify right side
    65,337.72x = 2,057,632,500.52
  5. Step 5: Solve for x
    x = 2,057,632,500.52/65,337.72
  6. Step 6: Final answer
    x = 31,492.26

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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.