Home / 51,963.42-71,709.57-28,090.10

Finding the Fourth Proportional to 51,963.42, 71,709.57 and 28,090.10

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Solution

The fourth proportional to 51,963.42, 71,709.57 and 28,090.10 is: 38,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.42 : 71,709.57 = 28,090.10 : x
  2. Step 2: Convert to fraction form
    51,963.42/71,709.57 = 28,090.10/x
  3. Step 3: Cross multiply
    51,963.42x = 71,709.57 × 28,090.10
  4. Step 4: Simplify right side
    51,963.42x = 2,014,328,633.71
  5. Step 5: Solve for x
    x = 2,014,328,633.71/51,963.42
  6. Step 6: Final answer
    x = 38,764.36

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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.