Home / 54,091.94-74,641.84-31,430.69

Finding the Fourth Proportional to 54,091.94, 74,641.84 and 31,430.69

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Solution

The fourth proportional to 54,091.94, 74,641.84 and 31,430.69 is: 43,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.94 : 74,641.84 = 31,430.69 : x
  2. Step 2: Convert to fraction form
    54,091.94/74,641.84 = 31,430.69/x
  3. Step 3: Cross multiply
    54,091.94x = 74,641.84 × 31,430.69
  4. Step 4: Simplify right side
    54,091.94x = 2,346,044,534.07
  5. Step 5: Solve for x
    x = 2,346,044,534.07/54,091.94
  6. Step 6: Final answer
    x = 43,371.43

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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.