Home / 30,181.56-45,223.14-15,370.20

Finding the Fourth Proportional to 30,181.56, 45,223.14 and 15,370.20

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Solution

The fourth proportional to 30,181.56, 45,223.14 and 15,370.20 is: 23,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.56 : 45,223.14 = 15,370.20 : x
  2. Step 2: Convert to fraction form
    30,181.56/45,223.14 = 15,370.20/x
  3. Step 3: Cross multiply
    30,181.56x = 45,223.14 × 15,370.20
  4. Step 4: Simplify right side
    30,181.56x = 695,088,706.43
  5. Step 5: Solve for x
    x = 695,088,706.43/30,181.56
  6. Step 6: Final answer
    x = 23,030.24

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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.