Home / 30,881,241.90-42,621,224.67-17,134,634.70

Finding the Fourth Proportional to 30,881,241.90, 42,621,224.67 and 17,134,634.70

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Solution

The fourth proportional to 30,881,241.90, 42,621,224.67 and 17,134,634.70 is: 23,648,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,241.90 : 42,621,224.67 = 17,134,634.70 : x
  2. Step 2: Convert to fraction form
    30,881,241.90/42,621,224.67 = 17,134,634.70/x
  3. Step 3: Cross multiply
    30,881,241.90x = 42,621,224.67 × 17,134,634.70
  4. Step 4: Simplify right side
    30,881,241.90x = 730,299,115,187,078
  5. Step 5: Solve for x
    x = 730,299,115,187,078/30,881,241.90
  6. Step 6: Final answer
    x = 23,648,631.67

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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.