Home / 45,633.78-68,386.48-21,592.58

Finding the Fourth Proportional to 45,633.78, 68,386.48 and 21,592.58

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Solution

The fourth proportional to 45,633.78, 68,386.48 and 21,592.58 is: 32,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,633.78 : 68,386.48 = 21,592.58 : x
  2. Step 2: Convert to fraction form
    45,633.78/68,386.48 = 21,592.58/x
  3. Step 3: Cross multiply
    45,633.78x = 68,386.48 × 21,592.58
  4. Step 4: Simplify right side
    45,633.78x = 1,476,640,144.40
  5. Step 5: Solve for x
    x = 1,476,640,144.40/45,633.78
  6. Step 6: Final answer
    x = 32,358.49

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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.