Home / 30,116.36-45,181.71-10,395.09

Finding the Fourth Proportional to 30,116.36, 45,181.71 and 10,395.09

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Solution

The fourth proportional to 30,116.36, 45,181.71 and 10,395.09 is: 15,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.36 : 45,181.71 = 10,395.09 : x
  2. Step 2: Convert to fraction form
    30,116.36/45,181.71 = 10,395.09/x
  3. Step 3: Cross multiply
    30,116.36x = 45,181.71 × 10,395.09
  4. Step 4: Simplify right side
    30,116.36x = 469,667,941.80
  5. Step 5: Solve for x
    x = 469,667,941.80/30,116.36
  6. Step 6: Final answer
    x = 15,595.11

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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.