Home / 20,698.02-31,037.99-5,903.64

Finding the Fourth Proportional to 20,698.02, 31,037.99 and 5,903.64

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Solution

The fourth proportional to 20,698.02, 31,037.99 and 5,903.64 is: 8,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.02 : 31,037.99 = 5,903.64 : x
  2. Step 2: Convert to fraction form
    20,698.02/31,037.99 = 5,903.64/x
  3. Step 3: Cross multiply
    20,698.02x = 31,037.99 × 5,903.64
  4. Step 4: Simplify right side
    20,698.02x = 183,237,089.77
  5. Step 5: Solve for x
    x = 183,237,089.77/20,698.02
  6. Step 6: Final answer
    x = 8,852.88

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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.