Home / 40,043.90-55,259.61-22,138.45

Finding the Fourth Proportional to 40,043.90, 55,259.61 and 22,138.45

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Solution

The fourth proportional to 40,043.90, 55,259.61 and 22,138.45 is: 30,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.90 : 55,259.61 = 22,138.45 : x
  2. Step 2: Convert to fraction form
    40,043.90/55,259.61 = 22,138.45/x
  3. Step 3: Cross multiply
    40,043.90x = 55,259.61 × 22,138.45
  4. Step 4: Simplify right side
    40,043.90x = 1,223,362,113.00
  5. Step 5: Solve for x
    x = 1,223,362,113.00/40,043.90
  6. Step 6: Final answer
    x = 30,550.52

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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.