Home / 21,263.04-31,952.88-20,055.33

Finding the Fourth Proportional to 21,263.04, 31,952.88 and 20,055.33

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Solution

The fourth proportional to 21,263.04, 31,952.88 and 20,055.33 is: 30,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.04 : 31,952.88 = 20,055.33 : x
  2. Step 2: Convert to fraction form
    21,263.04/31,952.88 = 20,055.33/x
  3. Step 3: Cross multiply
    21,263.04x = 31,952.88 × 20,055.33
  4. Step 4: Simplify right side
    21,263.04x = 640,825,552.85
  5. Step 5: Solve for x
    x = 640,825,552.85/21,263.04
  6. Step 6: Final answer
    x = 30,138.00

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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.