Home / 55,820.97-77,030.87-31,947.03

Finding the Fourth Proportional to 55,820.97, 77,030.87 and 31,947.03

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Solution

The fourth proportional to 55,820.97, 77,030.87 and 31,947.03 is: 44,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.97 : 77,030.87 = 31,947.03 : x
  2. Step 2: Convert to fraction form
    55,820.97/77,030.87 = 31,947.03/x
  3. Step 3: Cross multiply
    55,820.97x = 77,030.87 × 31,947.03
  4. Step 4: Simplify right side
    55,820.97x = 2,460,907,355.08
  5. Step 5: Solve for x
    x = 2,460,907,355.08/55,820.97
  6. Step 6: Final answer
    x = 44,085.71

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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.