Home / 38,938.54-53,735.25-23,030.86

Finding the Fourth Proportional to 38,938.54, 53,735.25 and 23,030.86

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Solution

The fourth proportional to 38,938.54, 53,735.25 and 23,030.86 is: 31,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,938.54 : 53,735.25 = 23,030.86 : x
  2. Step 2: Convert to fraction form
    38,938.54/53,735.25 = 23,030.86/x
  3. Step 3: Cross multiply
    38,938.54x = 53,735.25 × 23,030.86
  4. Step 4: Simplify right side
    38,938.54x = 1,237,569,019.82
  5. Step 5: Solve for x
    x = 1,237,569,019.82/38,938.54
  6. Step 6: Final answer
    x = 31,782.63

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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.