Home / 32,987.84-45,529.31-18,840.68

Finding the Fourth Proportional to 32,987.84, 45,529.31 and 18,840.68

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Solution

The fourth proportional to 32,987.84, 45,529.31 and 18,840.68 is: 26,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.84 : 45,529.31 = 18,840.68 : x
  2. Step 2: Convert to fraction form
    32,987.84/45,529.31 = 18,840.68/x
  3. Step 3: Cross multiply
    32,987.84x = 45,529.31 × 18,840.68
  4. Step 4: Simplify right side
    32,987.84x = 857,802,838.48
  5. Step 5: Solve for x
    x = 857,802,838.48/32,987.84
  6. Step 6: Final answer
    x = 26,003.61

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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.