Home / 40,509.14-55,905.38-22,607.60

Finding the Fourth Proportional to 40,509.14, 55,905.38 and 22,607.60

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Solution

The fourth proportional to 40,509.14, 55,905.38 and 22,607.60 is: 31,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.14 : 55,905.38 = 22,607.60 : x
  2. Step 2: Convert to fraction form
    40,509.14/55,905.38 = 22,607.60/x
  3. Step 3: Cross multiply
    40,509.14x = 55,905.38 × 22,607.60
  4. Step 4: Simplify right side
    40,509.14x = 1,263,886,468.89
  5. Step 5: Solve for x
    x = 1,263,886,468.89/40,509.14
  6. Step 6: Final answer
    x = 31,200.03

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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.