Home / 55,485.63-76,572.05-30,336.75

Finding the Fourth Proportional to 55,485.63, 76,572.05 and 30,336.75

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Solution

The fourth proportional to 55,485.63, 76,572.05 and 30,336.75 is: 41,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,485.63 : 76,572.05 = 30,336.75 : x
  2. Step 2: Convert to fraction form
    55,485.63/76,572.05 = 30,336.75/x
  3. Step 3: Cross multiply
    55,485.63x = 76,572.05 × 30,336.75
  4. Step 4: Simplify right side
    55,485.63x = 2,322,946,830.82
  5. Step 5: Solve for x
    x = 2,322,946,830.82/55,485.63
  6. Step 6: Final answer
    x = 41,865.74

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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.