Home / 55,440.36-76,507.69-30,289.86

Finding the Fourth Proportional to 55,440.36, 76,507.69 and 30,289.86

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Solution

The fourth proportional to 55,440.36, 76,507.69 and 30,289.86 is: 41,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.36 : 76,507.69 = 30,289.86 : x
  2. Step 2: Convert to fraction form
    55,440.36/76,507.69 = 30,289.86/x
  3. Step 3: Cross multiply
    55,440.36x = 76,507.69 × 30,289.86
  4. Step 4: Simplify right side
    55,440.36x = 2,317,407,219.02
  5. Step 5: Solve for x
    x = 2,317,407,219.02/55,440.36
  6. Step 6: Final answer
    x = 41,800.00

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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.