Home / 30,057.51-45,096.63-13,429.02

Finding the Fourth Proportional to 30,057.51, 45,096.63 and 13,429.02

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Solution

The fourth proportional to 30,057.51, 45,096.63 and 13,429.02 is: 20,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.51 : 45,096.63 = 13,429.02 : x
  2. Step 2: Convert to fraction form
    30,057.51/45,096.63 = 13,429.02/x
  3. Step 3: Cross multiply
    30,057.51x = 45,096.63 × 13,429.02
  4. Step 4: Simplify right side
    30,057.51x = 605,603,664.96
  5. Step 5: Solve for x
    x = 605,603,664.96/30,057.51
  6. Step 6: Final answer
    x = 20,148.16

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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.