Home / 45,738.40-68,612.64-14,566.48

Finding the Fourth Proportional to 45,738.40, 68,612.64 and 14,566.48

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Solution

The fourth proportional to 45,738.40, 68,612.64 and 14,566.48 is: 21,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.40 : 68,612.64 = 14,566.48 : x
  2. Step 2: Convert to fraction form
    45,738.40/68,612.64 = 14,566.48/x
  3. Step 3: Cross multiply
    45,738.40x = 68,612.64 × 14,566.48
  4. Step 4: Simplify right side
    45,738.40x = 999,444,648.31
  5. Step 5: Solve for x
    x = 999,444,648.31/45,738.40
  6. Step 6: Final answer
    x = 21,851.33

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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.