Home / 33,649.64-46,386.69-21,548.78

Finding the Fourth Proportional to 33,649.64, 46,386.69 and 21,548.78

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Solution

The fourth proportional to 33,649.64, 46,386.69 and 21,548.78 is: 29,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,649.64 : 46,386.69 = 21,548.78 : x
  2. Step 2: Convert to fraction form
    33,649.64/46,386.69 = 21,548.78/x
  3. Step 3: Cross multiply
    33,649.64x = 46,386.69 × 21,548.78
  4. Step 4: Simplify right side
    33,649.64x = 999,576,577.74
  5. Step 5: Solve for x
    x = 999,576,577.74/33,649.64
  6. Step 6: Final answer
    x = 29,705.42

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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.