Home / 51,985.53-71,739.93-28,112.13

Finding the Fourth Proportional to 51,985.53, 71,739.93 and 28,112.13

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Solution

The fourth proportional to 51,985.53, 71,739.93 and 28,112.13 is: 38,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.53 : 71,739.93 = 28,112.13 : x
  2. Step 2: Convert to fraction form
    51,985.53/71,739.93 = 28,112.13/x
  3. Step 3: Cross multiply
    51,985.53x = 71,739.93 × 28,112.13
  4. Step 4: Simplify right side
    51,985.53x = 2,016,762,238.35
  5. Step 5: Solve for x
    x = 2,016,762,238.35/51,985.53
  6. Step 6: Final answer
    x = 38,794.68

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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.