Home / 52,131.52-71,941.08-28,257.56

Finding the Fourth Proportional to 52,131.52, 71,941.08 and 28,257.56

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Solution

The fourth proportional to 52,131.52, 71,941.08 and 28,257.56 is: 38,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,131.52 : 71,941.08 = 28,257.56 : x
  2. Step 2: Convert to fraction form
    52,131.52/71,941.08 = 28,257.56/x
  3. Step 3: Cross multiply
    52,131.52x = 71,941.08 × 28,257.56
  4. Step 4: Simplify right side
    52,131.52x = 2,032,879,384.56
  5. Step 5: Solve for x
    x = 2,032,879,384.56/52,131.52
  6. Step 6: Final answer
    x = 38,995.21

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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.