Home / 30,026.43-41,437.64-19,937.48

Finding the Fourth Proportional to 30,026.43, 41,437.64 and 19,937.48

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Solution

The fourth proportional to 30,026.43, 41,437.64 and 19,937.48 is: 27,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,026.43 : 41,437.64 = 19,937.48 : x
  2. Step 2: Convert to fraction form
    30,026.43/41,437.64 = 19,937.48/x
  3. Step 3: Cross multiply
    30,026.43x = 41,437.64 × 19,937.48
  4. Step 4: Simplify right side
    30,026.43x = 826,161,961.40
  5. Step 5: Solve for x
    x = 826,161,961.40/30,026.43
  6. Step 6: Final answer
    x = 27,514.49

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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.