Home / 55,308.99-76,326.48-30,158.49

Finding the Fourth Proportional to 55,308.99, 76,326.48 and 30,158.49

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Solution

The fourth proportional to 55,308.99, 76,326.48 and 30,158.49 is: 41,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.99 : 76,326.48 = 30,158.49 : x
  2. Step 2: Convert to fraction form
    55,308.99/76,326.48 = 30,158.49/x
  3. Step 3: Cross multiply
    55,308.99x = 76,326.48 × 30,158.49
  4. Step 4: Simplify right side
    55,308.99x = 2,301,891,383.82
  5. Step 5: Solve for x
    x = 2,301,891,383.82/55,308.99
  6. Step 6: Final answer
    x = 41,618.76

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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.