Home / 30,836.84-42,556.75-17,403.19

Finding the Fourth Proportional to 30,836.84, 42,556.75 and 17,403.19

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Solution

The fourth proportional to 30,836.84, 42,556.75 and 17,403.19 is: 24,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.84 : 42,556.75 = 17,403.19 : x
  2. Step 2: Convert to fraction form
    30,836.84/42,556.75 = 17,403.19/x
  3. Step 3: Cross multiply
    30,836.84x = 42,556.75 × 17,403.19
  4. Step 4: Simplify right side
    30,836.84x = 740,623,056.13
  5. Step 5: Solve for x
    x = 740,623,056.13/30,836.84
  6. Step 6: Final answer
    x = 24,017.48

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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.