Home / 50,835.51-70,136.19-30,684.74

Finding the Fourth Proportional to 50,835.51, 70,136.19 and 30,684.74

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Solution

The fourth proportional to 50,835.51, 70,136.19 and 30,684.74 is: 42,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,835.51 : 70,136.19 = 30,684.74 : x
  2. Step 2: Convert to fraction form
    50,835.51/70,136.19 = 30,684.74/x
  3. Step 3: Cross multiply
    50,835.51x = 70,136.19 × 30,684.74
  4. Step 4: Simplify right side
    50,835.51x = 2,152,110,404.06
  5. Step 5: Solve for x
    x = 2,152,110,404.06/50,835.51
  6. Step 6: Final answer
    x = 42,334.79

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Double scale
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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.