Home / 30,072.35-45,113.69-10,346.22

Finding the Fourth Proportional to 30,072.35, 45,113.69 and 10,346.22

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Solution

The fourth proportional to 30,072.35, 45,113.69 and 10,346.22 is: 15,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.35 : 45,113.69 = 10,346.22 : x
  2. Step 2: Convert to fraction form
    30,072.35/45,113.69 = 10,346.22/x
  3. Step 3: Cross multiply
    30,072.35x = 45,113.69 × 10,346.22
  4. Step 4: Simplify right side
    30,072.35x = 466,756,110.02
  5. Step 5: Solve for x
    x = 466,756,110.02/30,072.35
  6. Step 6: Final answer
    x = 15,521.11

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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.