Home / 30,619.14-45,928.80-9,857.22

Finding the Fourth Proportional to 30,619.14, 45,928.80 and 9,857.22

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Solution

The fourth proportional to 30,619.14, 45,928.80 and 9,857.22 is: 14,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.14 : 45,928.80 = 9,857.22 : x
  2. Step 2: Convert to fraction form
    30,619.14/45,928.80 = 9,857.22/x
  3. Step 3: Cross multiply
    30,619.14x = 45,928.80 × 9,857.22
  4. Step 4: Simplify right side
    30,619.14x = 452,730,285.94
  5. Step 5: Solve for x
    x = 452,730,285.94/30,619.14
  6. Step 6: Final answer
    x = 14,785.86

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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.