Home / 43,739.58-65,608.93-20,040.40

Finding the Fourth Proportional to 43,739.58, 65,608.93 and 20,040.40

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Solution

The fourth proportional to 43,739.58, 65,608.93 and 20,040.40 is: 30,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,739.58 : 65,608.93 = 20,040.40 : x
  2. Step 2: Convert to fraction form
    43,739.58/65,608.93 = 20,040.40/x
  3. Step 3: Cross multiply
    43,739.58x = 65,608.93 × 20,040.40
  4. Step 4: Simplify right side
    43,739.58x = 1,314,829,200.77
  5. Step 5: Solve for x
    x = 1,314,829,200.77/43,739.58
  6. Step 6: Final answer
    x = 30,060.40

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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.