Home / 53,986.06-74,502.20-30,117.38

Finding the Fourth Proportional to 53,986.06, 74,502.20 and 30,117.38

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Solution

The fourth proportional to 53,986.06, 74,502.20 and 30,117.38 is: 41,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.06 : 74,502.20 = 30,117.38 : x
  2. Step 2: Convert to fraction form
    53,986.06/74,502.20 = 30,117.38/x
  3. Step 3: Cross multiply
    53,986.06x = 74,502.20 × 30,117.38
  4. Step 4: Simplify right side
    53,986.06x = 2,243,810,917.65
  5. Step 5: Solve for x
    x = 2,243,810,917.65/53,986.06
  6. Step 6: Final answer
    x = 41,562.79

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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.