Home / 30,349.24-45,514.02-11,628.28

Finding the Fourth Proportional to 30,349.24, 45,514.02 and 11,628.28

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Solution

The fourth proportional to 30,349.24, 45,514.02 and 11,628.28 is: 17,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.24 : 45,514.02 = 11,628.28 : x
  2. Step 2: Convert to fraction form
    30,349.24/45,514.02 = 11,628.28/x
  3. Step 3: Cross multiply
    30,349.24x = 45,514.02 × 11,628.28
  4. Step 4: Simplify right side
    30,349.24x = 529,249,768.49
  5. Step 5: Solve for x
    x = 529,249,768.49/30,349.24
  6. Step 6: Final answer
    x = 17,438.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.