Home / 53,121.90-79,657.44-30,941.61

Finding the Fourth Proportional to 53,121.90, 79,657.44 and 30,941.61

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Solution

The fourth proportional to 53,121.90, 79,657.44 and 30,941.61 is: 46,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.90 : 79,657.44 = 30,941.61 : x
  2. Step 2: Convert to fraction form
    53,121.90/79,657.44 = 30,941.61/x
  3. Step 3: Cross multiply
    53,121.90x = 79,657.44 × 30,941.61
  4. Step 4: Simplify right side
    53,121.90x = 2,464,729,442.08
  5. Step 5: Solve for x
    x = 2,464,729,442.08/53,121.90
  6. Step 6: Final answer
    x = 46,397.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.