Home / 40,721.04-56,194.49-22,816.40

Finding the Fourth Proportional to 40,721.04, 56,194.49 and 22,816.40

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Solution

The fourth proportional to 40,721.04, 56,194.49 and 22,816.40 is: 31,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721.04 : 56,194.49 = 22,816.40 : x
  2. Step 2: Convert to fraction form
    40,721.04/56,194.49 = 22,816.40/x
  3. Step 3: Cross multiply
    40,721.04x = 56,194.49 × 22,816.40
  4. Step 4: Simplify right side
    40,721.04x = 1,282,155,737.70
  5. Step 5: Solve for x
    x = 1,282,155,737.70/40,721.04
  6. Step 6: Final answer
    x = 31,486.32

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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.