Home / 30,335.40-41,888.70-19,023.92

Finding the Fourth Proportional to 30,335.40, 41,888.70 and 19,023.92

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Solution

The fourth proportional to 30,335.40, 41,888.70 and 19,023.92 is: 26,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.40 : 41,888.70 = 19,023.92 : x
  2. Step 2: Convert to fraction form
    30,335.40/41,888.70 = 19,023.92/x
  3. Step 3: Cross multiply
    30,335.40x = 41,888.70 × 19,023.92
  4. Step 4: Simplify right side
    30,335.40x = 796,887,277.70
  5. Step 5: Solve for x
    x = 796,887,277.70/30,335.40
  6. Step 6: Final answer
    x = 26,269.22

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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.