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Finding the Fourth Proportional to 30,117.83, 41,582.03 and 19,367.51

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Solution

The fourth proportional to 30,117.83, 41,582.03 and 19,367.51 is: 26,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.83 : 41,582.03 = 19,367.51 : x
  2. Step 2: Convert to fraction form
    30,117.83/41,582.03 = 19,367.51/x
  3. Step 3: Cross multiply
    30,117.83x = 41,582.03 × 19,367.51
  4. Step 4: Simplify right side
    30,117.83x = 805,340,077.10
  5. Step 5: Solve for x
    x = 805,340,077.10/30,117.83
  6. Step 6: Final answer
    x = 26,739.65

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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.