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Finding the Fourth Proportional to 32,803.93, 45,268.12 and 19,379.51

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Solution

The fourth proportional to 32,803.93, 45,268.12 and 19,379.51 is: 26,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,803.93 : 45,268.12 = 19,379.51 : x
  2. Step 2: Convert to fraction form
    32,803.93/45,268.12 = 19,379.51/x
  3. Step 3: Cross multiply
    32,803.93x = 45,268.12 × 19,379.51
  4. Step 4: Simplify right side
    32,803.93x = 877,273,660.98
  5. Step 5: Solve for x
    x = 877,273,660.98/32,803.93
  6. Step 6: Final answer
    x = 26,742.95

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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.