Home / 45,749.80-68,739.90-29,117.80

Finding the Fourth Proportional to 45,749.80, 68,739.90 and 29,117.80

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Solution

The fourth proportional to 45,749.80, 68,739.90 and 29,117.80 is: 43,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,749.80 : 68,739.90 = 29,117.80 : x
  2. Step 2: Convert to fraction form
    45,749.80/68,739.90 = 29,117.80/x
  3. Step 3: Cross multiply
    45,749.80x = 68,739.90 × 29,117.80
  4. Step 4: Simplify right side
    45,749.80x = 2,001,554,660.22
  5. Step 5: Solve for x
    x = 2,001,554,660.22/45,749.80
  6. Step 6: Final answer
    x = 43,750.02

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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.