Home / 23,048.94-31,730.58-21,990.94

Finding the Fourth Proportional to 23,048.94, 31,730.58 and 21,990.94

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Solution

The fourth proportional to 23,048.94, 31,730.58 and 21,990.94 is: 30,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.94 : 31,730.58 = 21,990.94 : x
  2. Step 2: Convert to fraction form
    23,048.94/31,730.58 = 21,990.94/x
  3. Step 3: Cross multiply
    23,048.94x = 31,730.58 × 21,990.94
  4. Step 4: Simplify right side
    23,048.94x = 697,785,280.95
  5. Step 5: Solve for x
    x = 697,785,280.95/23,048.94
  6. Step 6: Final answer
    x = 30,274.07

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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.