Home / 55,628.68-76,765.96-30,477.64

Finding the Fourth Proportional to 55,628.68, 76,765.96 and 30,477.64

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Solution

The fourth proportional to 55,628.68, 76,765.96 and 30,477.64 is: 42,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.68 : 76,765.96 = 30,477.64 : x
  2. Step 2: Convert to fraction form
    55,628.68/76,765.96 = 30,477.64/x
  3. Step 3: Cross multiply
    55,628.68x = 76,765.96 × 30,477.64
  4. Step 4: Simplify right side
    55,628.68x = 2,339,645,293.13
  5. Step 5: Solve for x
    x = 2,339,645,293.13/55,628.68
  6. Step 6: Final answer
    x = 42,058.26

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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.