Home / 51,291.74-70,794.42-30,077.84

Finding the Fourth Proportional to 51,291.74, 70,794.42 and 30,077.84

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Solution

The fourth proportional to 51,291.74, 70,794.42 and 30,077.84 is: 41,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291.74 : 70,794.42 = 30,077.84 : x
  2. Step 2: Convert to fraction form
    51,291.74/70,794.42 = 30,077.84/x
  3. Step 3: Cross multiply
    51,291.74x = 70,794.42 × 30,077.84
  4. Step 4: Simplify right side
    51,291.74x = 2,129,343,237.65
  5. Step 5: Solve for x
    x = 2,129,343,237.65/51,291.74
  6. Step 6: Final answer
    x = 41,514.35

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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.