Home / 30,776.31-46,170.67-9,719.64

Finding the Fourth Proportional to 30,776.31, 46,170.67 and 9,719.64

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Solution

The fourth proportional to 30,776.31, 46,170.67 and 9,719.64 is: 14,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776.31 : 46,170.67 = 9,719.64 : x
  2. Step 2: Convert to fraction form
    30,776.31/46,170.67 = 9,719.64/x
  3. Step 3: Cross multiply
    30,776.31x = 46,170.67 × 9,719.64
  4. Step 4: Simplify right side
    30,776.31x = 448,762,290.96
  5. Step 5: Solve for x
    x = 448,762,290.96/30,776.31
  6. Step 6: Final answer
    x = 14,581.42

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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.