Home / 34,746.09-47,949.60-18,830.54

Finding the Fourth Proportional to 34,746.09, 47,949.60 and 18,830.54

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Solution

The fourth proportional to 34,746.09, 47,949.60 and 18,830.54 is: 25,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.09 : 47,949.60 = 18,830.54 : x
  2. Step 2: Convert to fraction form
    34,746.09/47,949.60 = 18,830.54/x
  3. Step 3: Cross multiply
    34,746.09x = 47,949.60 × 18,830.54
  4. Step 4: Simplify right side
    34,746.09x = 902,916,813.71
  5. Step 5: Solve for x
    x = 902,916,813.71/34,746.09
  6. Step 6: Final answer
    x = 25,986.14

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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.