Home / 30,381.73-41,935.58-17,637.77

Finding the Fourth Proportional to 30,381.73, 41,935.58 and 17,637.77

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Solution

The fourth proportional to 30,381.73, 41,935.58 and 17,637.77 is: 24,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.73 : 41,935.58 = 17,637.77 : x
  2. Step 2: Convert to fraction form
    30,381.73/41,935.58 = 17,637.77/x
  3. Step 3: Cross multiply
    30,381.73x = 41,935.58 × 17,637.77
  4. Step 4: Simplify right side
    30,381.73x = 739,650,263.79
  5. Step 5: Solve for x
    x = 739,650,263.79/30,381.73
  6. Step 6: Final answer
    x = 24,345.23

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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.