Home / 30,774.96-46,145.13-9,711.08

Finding the Fourth Proportional to 30,774.96, 46,145.13 and 9,711.08

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Solution

The fourth proportional to 30,774.96, 46,145.13 and 9,711.08 is: 14,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.96 : 46,145.13 = 9,711.08 : x
  2. Step 2: Convert to fraction form
    30,774.96/46,145.13 = 9,711.08/x
  3. Step 3: Cross multiply
    30,774.96x = 46,145.13 × 9,711.08
  4. Step 4: Simplify right side
    30,774.96x = 448,119,048.84
  5. Step 5: Solve for x
    x = 448,119,048.84/30,774.96
  6. Step 6: Final answer
    x = 14,561.16

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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.