Home / 30,619.56-45,936.63-11,900.10

Finding the Fourth Proportional to 30,619.56, 45,936.63 and 11,900.10

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Solution

The fourth proportional to 30,619.56, 45,936.63 and 11,900.10 is: 17,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.56 : 45,936.63 = 11,900.10 : x
  2. Step 2: Convert to fraction form
    30,619.56/45,936.63 = 11,900.10/x
  3. Step 3: Cross multiply
    30,619.56x = 45,936.63 × 11,900.10
  4. Step 4: Simplify right side
    30,619.56x = 546,650,490.66
  5. Step 5: Solve for x
    x = 546,650,490.66/30,619.56
  6. Step 6: Final answer
    x = 17,852.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.