Home / 30,822.86-42,534.81-17,394.68

Finding the Fourth Proportional to 30,822.86, 42,534.81 and 17,394.68

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Solution

The fourth proportional to 30,822.86, 42,534.81 and 17,394.68 is: 24,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.86 : 42,534.81 = 17,394.68 : x
  2. Step 2: Convert to fraction form
    30,822.86/42,534.81 = 17,394.68/x
  3. Step 3: Cross multiply
    30,822.86x = 42,534.81 × 17,394.68
  4. Step 4: Simplify right side
    30,822.86x = 739,879,515.15
  5. Step 5: Solve for x
    x = 739,879,515.15/30,822.86
  6. Step 6: Final answer
    x = 24,004.24

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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.