Home / 47,019.82-70,530.75-11,959.47

Finding the Fourth Proportional to 47,019.82, 70,530.75 and 11,959.47

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Solution

The fourth proportional to 47,019.82, 70,530.75 and 11,959.47 is: 17,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,019.82 : 70,530.75 = 11,959.47 : x
  2. Step 2: Convert to fraction form
    47,019.82/70,530.75 = 11,959.47/x
  3. Step 3: Cross multiply
    47,019.82x = 70,530.75 × 11,959.47
  4. Step 4: Simplify right side
    47,019.82x = 843,510,587.07
  5. Step 5: Solve for x
    x = 843,510,587.07/47,019.82
  6. Step 6: Final answer
    x = 17,939.47

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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.