Home / 37,038.80-55,533.52-20,406.64

Finding the Fourth Proportional to 37,038.80, 55,533.52 and 20,406.64

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Solution

The fourth proportional to 37,038.80, 55,533.52 and 20,406.64 is: 30,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.80 : 55,533.52 = 20,406.64 : x
  2. Step 2: Convert to fraction form
    37,038.80/55,533.52 = 20,406.64/x
  3. Step 3: Cross multiply
    37,038.80x = 55,533.52 × 20,406.64
  4. Step 4: Simplify right side
    37,038.80x = 1,133,252,550.57
  5. Step 5: Solve for x
    x = 1,133,252,550.57/37,038.80
  6. Step 6: Final answer
    x = 30,596.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.