Home / 55,528.50-76,630.44-30,378.54

Finding the Fourth Proportional to 55,528.50, 76,630.44 and 30,378.54

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Solution

The fourth proportional to 55,528.50, 76,630.44 and 30,378.54 is: 41,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.50 : 76,630.44 = 30,378.54 : x
  2. Step 2: Convert to fraction form
    55,528.50/76,630.44 = 30,378.54/x
  3. Step 3: Cross multiply
    55,528.50x = 76,630.44 × 30,378.54
  4. Step 4: Simplify right side
    55,528.50x = 2,327,920,886.76
  5. Step 5: Solve for x
    x = 2,327,920,886.76/55,528.50
  6. Step 6: Final answer
    x = 41,922.99

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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.