Home / 30,284.80-45,427.20-23,716.60

Finding the Fourth Proportional to 30,284.80, 45,427.20 and 23,716.60

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Solution

The fourth proportional to 30,284.80, 45,427.20 and 23,716.60 is: 35,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.80 : 45,427.20 = 23,716.60 : x
  2. Step 2: Convert to fraction form
    30,284.80/45,427.20 = 23,716.60/x
  3. Step 3: Cross multiply
    30,284.80x = 45,427.20 × 23,716.60
  4. Step 4: Simplify right side
    30,284.80x = 1,077,378,731.52
  5. Step 5: Solve for x
    x = 1,077,378,731.52/30,284.80
  6. Step 6: Final answer
    x = 35,574.90

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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.