Home / 30,840.61-46,279.37-28,331.03

Finding the Fourth Proportional to 30,840.61, 46,279.37 and 28,331.03

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Solution

The fourth proportional to 30,840.61, 46,279.37 and 28,331.03 is: 42,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.61 : 46,279.37 = 28,331.03 : x
  2. Step 2: Convert to fraction form
    30,840.61/46,279.37 = 28,331.03/x
  3. Step 3: Cross multiply
    30,840.61x = 46,279.37 × 28,331.03
  4. Step 4: Simplify right side
    30,840.61x = 1,311,141,846.80
  5. Step 5: Solve for x
    x = 1,311,141,846.80/30,840.61
  6. Step 6: Final answer
    x = 42,513.49

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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.