Home / 30,783.18-46,181.01-9,726.48

Finding the Fourth Proportional to 30,783.18, 46,181.01 and 9,726.48

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Solution

The fourth proportional to 30,783.18, 46,181.01 and 9,726.48 is: 14,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783.18 : 46,181.01 = 9,726.48 : x
  2. Step 2: Convert to fraction form
    30,783.18/46,181.01 = 9,726.48/x
  3. Step 3: Cross multiply
    30,783.18x = 46,181.01 × 9,726.48
  4. Step 4: Simplify right side
    30,783.18x = 449,178,670.14
  5. Step 5: Solve for x
    x = 449,178,670.14/30,783.18
  6. Step 6: Final answer
    x = 14,591.69

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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.