Home / 53,994.60-80,989.47-20,708.46

Finding the Fourth Proportional to 53,994.60, 80,989.47 and 20,708.46

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Solution

The fourth proportional to 53,994.60, 80,989.47 and 20,708.46 is: 31,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,994.60 : 80,989.47 = 20,708.46 : x
  2. Step 2: Convert to fraction form
    53,994.60/80,989.47 = 20,708.46/x
  3. Step 3: Cross multiply
    53,994.60x = 80,989.47 × 20,708.46
  4. Step 4: Simplify right side
    53,994.60x = 1,677,167,199.92
  5. Step 5: Solve for x
    x = 1,677,167,199.92/53,994.60
  6. Step 6: Final answer
    x = 31,061.76

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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.