Home / 55,528.83-76,631.59-30,378.33

Finding the Fourth Proportional to 55,528.83, 76,631.59 and 30,378.33

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Solution

The fourth proportional to 55,528.83, 76,631.59 and 30,378.33 is: 41,923.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.83 : 76,631.59 = 30,378.33 : x
  2. Step 2: Convert to fraction form
    55,528.83/76,631.59 = 30,378.33/x
  3. Step 3: Cross multiply
    55,528.83x = 76,631.59 × 30,378.33
  4. Step 4: Simplify right side
    55,528.83x = 2,327,939,729.44
  5. Step 5: Solve for x
    x = 2,327,939,729.44/55,528.83
  6. Step 6: Final answer
    x = 41,923.08

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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.