Home / 64,999.12-97,513.26-20,627.32

Finding the Fourth Proportional to 64,999.12, 97,513.26 and 20,627.32

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Solution

The fourth proportional to 64,999.12, 97,513.26 and 20,627.32 is: 30,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.12 : 97,513.26 = 20,627.32 : x
  2. Step 2: Convert to fraction form
    64,999.12/97,513.26 = 20,627.32/x
  3. Step 3: Cross multiply
    64,999.12x = 97,513.26 × 20,627.32
  4. Step 4: Simplify right side
    64,999.12x = 2,011,437,218.26
  5. Step 5: Solve for x
    x = 2,011,437,218.26/64,999.12
  6. Step 6: Final answer
    x = 30,945.61

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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.