Home / 30,840.05-46,278.52-28,330.46

Finding the Fourth Proportional to 30,840.05, 46,278.52 and 28,330.46

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Solution

The fourth proportional to 30,840.05, 46,278.52 and 28,330.46 is: 42,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.05 : 46,278.52 = 28,330.46 : x
  2. Step 2: Convert to fraction form
    30,840.05/46,278.52 = 28,330.46/x
  3. Step 3: Cross multiply
    30,840.05x = 46,278.52 × 28,330.46
  4. Step 4: Simplify right side
    30,840.05x = 1,311,091,804.59
  5. Step 5: Solve for x
    x = 1,311,091,804.59/30,840.05
  6. Step 6: Final answer
    x = 42,512.64

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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.