Home / 30,856.23-46,287.05-8,669.79

Finding the Fourth Proportional to 30,856.23, 46,287.05 and 8,669.79

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Solution

The fourth proportional to 30,856.23, 46,287.05 and 8,669.79 is: 13,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.23 : 46,287.05 = 8,669.79 : x
  2. Step 2: Convert to fraction form
    30,856.23/46,287.05 = 8,669.79/x
  3. Step 3: Cross multiply
    30,856.23x = 46,287.05 × 8,669.79
  4. Step 4: Simplify right side
    30,856.23x = 401,299,003.22
  5. Step 5: Solve for x
    x = 401,299,003.22/30,856.23
  6. Step 6: Final answer
    x = 13,005.45

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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.