Home / 30,848.54-46,346.70-19,776.84

Finding the Fourth Proportional to 30,848.54, 46,346.70 and 19,776.84

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Solution

The fourth proportional to 30,848.54, 46,346.70 and 19,776.84 is: 29,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.54 : 46,346.70 = 19,776.84 : x
  2. Step 2: Convert to fraction form
    30,848.54/46,346.70 = 19,776.84/x
  3. Step 3: Cross multiply
    30,848.54x = 46,346.70 × 19,776.84
  4. Step 4: Simplify right side
    30,848.54x = 916,591,270.43
  5. Step 5: Solve for x
    x = 916,591,270.43/30,848.54
  6. Step 6: Final answer
    x = 29,712.64

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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.