Home / 21,264.04-31,954.38-20,056.33

Finding the Fourth Proportional to 21,264.04, 31,954.38 and 20,056.33

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Solution

The fourth proportional to 21,264.04, 31,954.38 and 20,056.33 is: 30,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.04 : 31,954.38 = 20,056.33 : x
  2. Step 2: Convert to fraction form
    21,264.04/31,954.38 = 20,056.33/x
  3. Step 3: Cross multiply
    21,264.04x = 31,954.38 × 20,056.33
  4. Step 4: Simplify right side
    21,264.04x = 640,887,590.23
  5. Step 5: Solve for x
    x = 640,887,590.23/21,264.04
  6. Step 6: Final answer
    x = 30,139.50

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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.