Home / 34,389.54-47,461.50-19,286.28

Finding the Fourth Proportional to 34,389.54, 47,461.50 and 19,286.28

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Solution

The fourth proportional to 34,389.54, 47,461.50 and 19,286.28 is: 26,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.54 : 47,461.50 = 19,286.28 : x
  2. Step 2: Convert to fraction form
    34,389.54/47,461.50 = 19,286.28/x
  3. Step 3: Cross multiply
    34,389.54x = 47,461.50 × 19,286.28
  4. Step 4: Simplify right side
    34,389.54x = 915,355,778.22
  5. Step 5: Solve for x
    x = 915,355,778.22/34,389.54
  6. Step 6: Final answer
    x = 26,617.27

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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.