Home / 30,107.12-41,547.72-16,859.12

Finding the Fourth Proportional to 30,107.12, 41,547.72 and 16,859.12

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Solution

The fourth proportional to 30,107.12, 41,547.72 and 16,859.12 is: 23,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.12 : 41,547.72 = 16,859.12 : x
  2. Step 2: Convert to fraction form
    30,107.12/41,547.72 = 16,859.12/x
  3. Step 3: Cross multiply
    30,107.12x = 41,547.72 × 16,859.12
  4. Step 4: Simplify right side
    30,107.12x = 700,457,997.21
  5. Step 5: Solve for x
    x = 700,457,997.21/30,107.12
  6. Step 6: Final answer
    x = 23,265.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.