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Finding the Fourth Proportional to 30,649.39, 45,950.72 and 15,848.87

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Solution

The fourth proportional to 30,649.39, 45,950.72 and 15,848.87 is: 23,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649.39 : 45,950.72 = 15,848.87 : x
  2. Step 2: Convert to fraction form
    30,649.39/45,950.72 = 15,848.87/x
  3. Step 3: Cross multiply
    30,649.39x = 45,950.72 × 15,848.87
  4. Step 4: Simplify right side
    30,649.39x = 728,266,987.69
  5. Step 5: Solve for x
    x = 728,266,987.69/30,649.39
  6. Step 6: Final answer
    x = 23,761.22

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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.