Home / 55,440.15-76,507.64-30,289.65

Finding the Fourth Proportional to 55,440.15, 76,507.64 and 30,289.65

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Solution

The fourth proportional to 55,440.15, 76,507.64 and 30,289.65 is: 41,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.15 : 76,507.64 = 30,289.65 : x
  2. Step 2: Convert to fraction form
    55,440.15/76,507.64 = 30,289.65/x
  3. Step 3: Cross multiply
    55,440.15x = 76,507.64 × 30,289.65
  4. Step 4: Simplify right side
    55,440.15x = 2,317,389,313.16
  5. Step 5: Solve for x
    x = 2,317,389,313.16/55,440.15
  6. Step 6: Final answer
    x = 41,799.84

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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.