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Finding the Fourth Proportional to 34,283.40, 47,313.40 and 19,177.44

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Solution

The fourth proportional to 34,283.40, 47,313.40 and 19,177.44 is: 26,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,283.40 : 47,313.40 = 19,177.44 : x
  2. Step 2: Convert to fraction form
    34,283.40/47,313.40 = 19,177.44/x
  3. Step 3: Cross multiply
    34,283.40x = 47,313.40 × 19,177.44
  4. Step 4: Simplify right side
    34,283.40x = 907,349,889.70
  5. Step 5: Solve for x
    x = 907,349,889.70/34,283.40
  6. Step 6: Final answer
    x = 26,466.16

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1.5x scale

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.