Home / 55,528.74-76,630.32-30,378.24

Finding the Fourth Proportional to 55,528.74, 76,630.32 and 30,378.24

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Solution

The fourth proportional to 55,528.74, 76,630.32 and 30,378.24 is: 41,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.74 : 76,630.32 = 30,378.24 : x
  2. Step 2: Convert to fraction form
    55,528.74/76,630.32 = 30,378.24/x
  3. Step 3: Cross multiply
    55,528.74x = 76,630.32 × 30,378.24
  4. Step 4: Simplify right side
    55,528.74x = 2,327,894,252.24
  5. Step 5: Solve for x
    x = 2,327,894,252.24/55,528.74
  6. Step 6: Final answer
    x = 41,922.33

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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.