Home / 55,947.56-77,209.23-30,455.57

Finding the Fourth Proportional to 55,947.56, 77,209.23 and 30,455.57

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Solution

The fourth proportional to 55,947.56, 77,209.23 and 30,455.57 is: 42,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.56 : 77,209.23 = 30,455.57 : x
  2. Step 2: Convert to fraction form
    55,947.56/77,209.23 = 30,455.57/x
  3. Step 3: Cross multiply
    55,947.56x = 77,209.23 × 30,455.57
  4. Step 4: Simplify right side
    55,947.56x = 2,351,450,942.02
  5. Step 5: Solve for x
    x = 2,351,450,942.02/55,947.56
  6. Step 6: Final answer
    x = 42,029.55

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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.