Home / 35,073.24-48,403.66-19,970.78

Finding the Fourth Proportional to 35,073.24, 48,403.66 and 19,970.78

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Solution

The fourth proportional to 35,073.24, 48,403.66 and 19,970.78 is: 27,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,073.24 : 48,403.66 = 19,970.78 : x
  2. Step 2: Convert to fraction form
    35,073.24/48,403.66 = 19,970.78/x
  3. Step 3: Cross multiply
    35,073.24x = 48,403.66 × 19,970.78
  4. Step 4: Simplify right side
    35,073.24x = 966,658,845.05
  5. Step 5: Solve for x
    x = 966,658,845.05/35,073.24
  6. Step 6: Final answer
    x = 27,561.15

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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.