Home / 38,707.74-53,418.81-29,130.39

Finding the Fourth Proportional to 38,707.74, 53,418.81 and 29,130.39

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Solution

The fourth proportional to 38,707.74, 53,418.81 and 29,130.39 is: 40,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.74 : 53,418.81 = 29,130.39 : x
  2. Step 2: Convert to fraction form
    38,707.74/53,418.81 = 29,130.39/x
  3. Step 3: Cross multiply
    38,707.74x = 53,418.81 × 29,130.39
  4. Step 4: Simplify right side
    38,707.74x = 1,556,110,768.64
  5. Step 5: Solve for x
    x = 1,556,110,768.64/38,707.74
  6. Step 6: Final answer
    x = 40,201.54

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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.