Home / 30,852.15-42,580.20-17,754.87

Finding the Fourth Proportional to 30,852.15, 42,580.20 and 17,754.87

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Solution

The fourth proportional to 30,852.15, 42,580.20 and 17,754.87 is: 24,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.15 : 42,580.20 = 17,754.87 : x
  2. Step 2: Convert to fraction form
    30,852.15/42,580.20 = 17,754.87/x
  3. Step 3: Cross multiply
    30,852.15x = 42,580.20 × 17,754.87
  4. Step 4: Simplify right side
    30,852.15x = 756,005,933.25
  5. Step 5: Solve for x
    x = 756,005,933.25/30,852.15
  6. Step 6: Final answer
    x = 24,504.16

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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.