Home / 23,329.90-35,159.12-21,111.72

Finding the Fourth Proportional to 23,329.90, 35,159.12 and 21,111.72

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Solution

The fourth proportional to 23,329.90, 35,159.12 and 21,111.72 is: 31,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,329.90 : 35,159.12 = 21,111.72 : x
  2. Step 2: Convert to fraction form
    23,329.90/35,159.12 = 21,111.72/x
  3. Step 3: Cross multiply
    23,329.90x = 35,159.12 × 21,111.72
  4. Step 4: Simplify right side
    23,329.90x = 742,269,496.89
  5. Step 5: Solve for x
    x = 742,269,496.89/23,329.90
  6. Step 6: Final answer
    x = 31,816.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.