Home / 47,768.49-65,858.54-30,742.29

Finding the Fourth Proportional to 47,768.49, 65,858.54 and 30,742.29

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Solution

The fourth proportional to 47,768.49, 65,858.54 and 30,742.29 is: 42,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.49 : 65,858.54 = 30,742.29 : x
  2. Step 2: Convert to fraction form
    47,768.49/65,858.54 = 30,742.29/x
  3. Step 3: Cross multiply
    47,768.49x = 65,858.54 × 30,742.29
  4. Step 4: Simplify right side
    47,768.49x = 2,024,642,181.95
  5. Step 5: Solve for x
    x = 2,024,642,181.95/47,768.49
  6. Step 6: Final answer
    x = 42,384.47

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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.