Home / 53,860.74-74,316.54-31,198.38

Finding the Fourth Proportional to 53,860.74, 74,316.54 and 31,198.38

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Solution

The fourth proportional to 53,860.74, 74,316.54 and 31,198.38 is: 43,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.74 : 74,316.54 = 31,198.38 : x
  2. Step 2: Convert to fraction form
    53,860.74/74,316.54 = 31,198.38/x
  3. Step 3: Cross multiply
    53,860.74x = 74,316.54 × 31,198.38
  4. Step 4: Simplify right side
    53,860.74x = 2,318,555,655.21
  5. Step 5: Solve for x
    x = 2,318,555,655.21/53,860.74
  6. Step 6: Final answer
    x = 43,047.23

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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.