Home / 35,121.63-48,470.13-20,014.77

Finding the Fourth Proportional to 35,121.63, 48,470.13 and 20,014.77

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Solution

The fourth proportional to 35,121.63, 48,470.13 and 20,014.77 is: 27,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.63 : 48,470.13 = 20,014.77 : x
  2. Step 2: Convert to fraction form
    35,121.63/48,470.13 = 20,014.77/x
  3. Step 3: Cross multiply
    35,121.63x = 48,470.13 × 20,014.77
  4. Step 4: Simplify right side
    35,121.63x = 970,118,503.82
  5. Step 5: Solve for x
    x = 970,118,503.82/35,121.63
  6. Step 6: Final answer
    x = 27,621.68

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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.