Home / 30,649.73-45,973.34-10,663.79

Finding the Fourth Proportional to 30,649.73, 45,973.34 and 10,663.79

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Solution

The fourth proportional to 30,649.73, 45,973.34 and 10,663.79 is: 15,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649.73 : 45,973.34 = 10,663.79 : x
  2. Step 2: Convert to fraction form
    30,649.73/45,973.34 = 10,663.79/x
  3. Step 3: Cross multiply
    30,649.73x = 45,973.34 × 10,663.79
  4. Step 4: Simplify right side
    30,649.73x = 490,250,184.95
  5. Step 5: Solve for x
    x = 490,250,184.95/30,649.73
  6. Step 6: Final answer
    x = 15,995.25

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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.