Home / 30,845.46-42,524.40-19,509.30

Finding the Fourth Proportional to 30,845.46, 42,524.40 and 19,509.30

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Solution

The fourth proportional to 30,845.46, 42,524.40 and 19,509.30 is: 26,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.46 : 42,524.40 = 19,509.30 : x
  2. Step 2: Convert to fraction form
    30,845.46/42,524.40 = 19,509.30/x
  3. Step 3: Cross multiply
    30,845.46x = 42,524.40 × 19,509.30
  4. Step 4: Simplify right side
    30,845.46x = 829,621,276.92
  5. Step 5: Solve for x
    x = 829,621,276.92/30,845.46
  6. Step 6: Final answer
    x = 26,896.06

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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.