Home / 30,586.36-42,209.20-17,848.30

Finding the Fourth Proportional to 30,586.36, 42,209.20 and 17,848.30

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Solution

The fourth proportional to 30,586.36, 42,209.20 and 17,848.30 is: 24,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.36 : 42,209.20 = 17,848.30 : x
  2. Step 2: Convert to fraction form
    30,586.36/42,209.20 = 17,848.30/x
  3. Step 3: Cross multiply
    30,586.36x = 42,209.20 × 17,848.30
  4. Step 4: Simplify right side
    30,586.36x = 753,362,464.36
  5. Step 5: Solve for x
    x = 753,362,464.36/30,586.36
  6. Step 6: Final answer
    x = 24,630.67

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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.