Home / 40,362.40-55,698.72-22,458.16

Finding the Fourth Proportional to 40,362.40, 55,698.72 and 22,458.16

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Solution

The fourth proportional to 40,362.40, 55,698.72 and 22,458.16 is: 30,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.40 : 55,698.72 = 22,458.16 : x
  2. Step 2: Convert to fraction form
    40,362.40/55,698.72 = 22,458.16/x
  3. Step 3: Cross multiply
    40,362.40x = 55,698.72 × 22,458.16
  4. Step 4: Simplify right side
    40,362.40x = 1,250,890,487.06
  5. Step 5: Solve for x
    x = 1,250,890,487.06/40,362.40
  6. Step 6: Final answer
    x = 30,991.48

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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.