Home / 51,683.16-71,323.20-30,187.92

Finding the Fourth Proportional to 51,683.16, 71,323.20 and 30,187.92

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Solution

The fourth proportional to 51,683.16, 71,323.20 and 30,187.92 is: 41,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,683.16 : 71,323.20 = 30,187.92 : x
  2. Step 2: Convert to fraction form
    51,683.16/71,323.20 = 30,187.92/x
  3. Step 3: Cross multiply
    51,683.16x = 71,323.20 × 30,187.92
  4. Step 4: Simplify right side
    51,683.16x = 2,153,099,055.74
  5. Step 5: Solve for x
    x = 2,153,099,055.74/51,683.16
  6. Step 6: Final answer
    x = 41,659.59

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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.