Home / 38,481.93-53,055.63-31,557.51

Finding the Fourth Proportional to 38,481.93, 53,055.63 and 31,557.51

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Solution

The fourth proportional to 38,481.93, 53,055.63 and 31,557.51 is: 43,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.93 : 53,055.63 = 31,557.51 : x
  2. Step 2: Convert to fraction form
    38,481.93/53,055.63 = 31,557.51/x
  3. Step 3: Cross multiply
    38,481.93x = 53,055.63 × 31,557.51
  4. Step 4: Simplify right side
    38,481.93x = 1,674,303,574.28
  5. Step 5: Solve for x
    x = 1,674,303,574.28/38,481.93
  6. Step 6: Final answer
    x = 43,508.83

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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.