Home / 65,107.08-97,661.40-20,733.60

Finding the Fourth Proportional to 65,107.08, 97,661.40 and 20,733.60

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Solution

The fourth proportional to 65,107.08, 97,661.40 and 20,733.60 is: 31,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,107.08 : 97,661.40 = 20,733.60 : x
  2. Step 2: Convert to fraction form
    65,107.08/97,661.40 = 20,733.60/x
  3. Step 3: Cross multiply
    65,107.08x = 97,661.40 × 20,733.60
  4. Step 4: Simplify right side
    65,107.08x = 2,024,872,403.04
  5. Step 5: Solve for x
    x = 2,024,872,403.04/65,107.08
  6. Step 6: Final answer
    x = 31,100.65

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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.