Home / 33,347.83-46,034.18-20,778.79

Finding the Fourth Proportional to 33,347.83, 46,034.18 and 20,778.79

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Solution

The fourth proportional to 33,347.83, 46,034.18 and 20,778.79 is: 28,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,347.83 : 46,034.18 = 20,778.79 : x
  2. Step 2: Convert to fraction form
    33,347.83/46,034.18 = 20,778.79/x
  3. Step 3: Cross multiply
    33,347.83x = 46,034.18 × 20,778.79
  4. Step 4: Simplify right side
    33,347.83x = 956,534,559.04
  5. Step 5: Solve for x
    x = 956,534,559.04/33,347.83
  6. Step 6: Final answer
    x = 28,683.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.