Home / 56,477.56-84,698.64-20,449.44

Finding the Fourth Proportional to 56,477.56, 84,698.64 and 20,449.44

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Solution

The fourth proportional to 56,477.56, 84,698.64 and 20,449.44 is: 30,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.56 : 84,698.64 = 20,449.44 : x
  2. Step 2: Convert to fraction form
    56,477.56/84,698.64 = 20,449.44/x
  3. Step 3: Cross multiply
    56,477.56x = 84,698.64 × 20,449.44
  4. Step 4: Simplify right side
    56,477.56x = 1,732,039,756.76
  5. Step 5: Solve for x
    x = 1,732,039,756.76/56,477.56
  6. Step 6: Final answer
    x = 30,667.75

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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.