Home / 38,480.39-53,053.56-31,556.01

Finding the Fourth Proportional to 38,480.39, 53,053.56 and 31,556.01

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Solution

The fourth proportional to 38,480.39, 53,053.56 and 31,556.01 is: 43,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.39 : 53,053.56 = 31,556.01 : x
  2. Step 2: Convert to fraction form
    38,480.39/53,053.56 = 31,556.01/x
  3. Step 3: Cross multiply
    38,480.39x = 53,053.56 × 31,556.01
  4. Step 4: Simplify right side
    38,480.39x = 1,674,158,669.90
  5. Step 5: Solve for x
    x = 1,674,158,669.90/38,480.39
  6. Step 6: Final answer
    x = 43,506.81

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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.