Home / 47,113.47-65,031.74-30,163.36

Finding the Fourth Proportional to 47,113.47, 65,031.74 and 30,163.36

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Solution

The fourth proportional to 47,113.47, 65,031.74 and 30,163.36 is: 41,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.47 : 65,031.74 = 30,163.36 : x
  2. Step 2: Convert to fraction form
    47,113.47/65,031.74 = 30,163.36/x
  3. Step 3: Cross multiply
    47,113.47x = 65,031.74 × 30,163.36
  4. Step 4: Simplify right side
    47,113.47x = 1,961,575,796.81
  5. Step 5: Solve for x
    x = 1,961,575,796.81/47,113.47
  6. Step 6: Final answer
    x = 41,635.14

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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.