Home / 30,586.26-42,209.10-17,848.20

Finding the Fourth Proportional to 30,586.26, 42,209.10 and 17,848.20

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Solution

The fourth proportional to 30,586.26, 42,209.10 and 17,848.20 is: 24,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.26 : 42,209.10 = 17,848.20 : x
  2. Step 2: Convert to fraction form
    30,586.26/42,209.10 = 17,848.20/x
  3. Step 3: Cross multiply
    30,586.26x = 42,209.10 × 17,848.20
  4. Step 4: Simplify right side
    30,586.26x = 753,356,458.62
  5. Step 5: Solve for x
    x = 753,356,458.62/30,586.26
  6. Step 6: Final answer
    x = 24,630.55

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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.