Home / 55,439.73-76,507.07-30,289.77

Finding the Fourth Proportional to 55,439.73, 76,507.07 and 30,289.77

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Solution

The fourth proportional to 55,439.73, 76,507.07 and 30,289.77 is: 41,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.73 : 76,507.07 = 30,289.77 : x
  2. Step 2: Convert to fraction form
    55,439.73/76,507.07 = 30,289.77/x
  3. Step 3: Cross multiply
    55,439.73x = 76,507.07 × 30,289.77
  4. Step 4: Simplify right side
    55,439.73x = 2,317,381,402.23
  5. Step 5: Solve for x
    x = 2,317,381,402.23/55,439.73
  6. Step 6: Final answer
    x = 41,800.01

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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.