Home / 43,663.20-65,343.60-26,145.60

Finding the Fourth Proportional to 43,663.20, 65,343.60 and 26,145.60

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Solution

The fourth proportional to 43,663.20, 65,343.60 and 26,145.60 is: 39,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.20 : 65,343.60 = 26,145.60 : x
  2. Step 2: Convert to fraction form
    43,663.20/65,343.60 = 26,145.60/x
  3. Step 3: Cross multiply
    43,663.20x = 65,343.60 × 26,145.60
  4. Step 4: Simplify right side
    43,663.20x = 1,708,447,628.16
  5. Step 5: Solve for x
    x = 1,708,447,628.16/43,663.20
  6. Step 6: Final answer
    x = 39,127.86

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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.