Home / 35,303.04-48,704.64-20,192.64

Finding the Fourth Proportional to 35,303.04, 48,704.64 and 20,192.64

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Solution

The fourth proportional to 35,303.04, 48,704.64 and 20,192.64 is: 27,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,303.04 : 48,704.64 = 20,192.64 : x
  2. Step 2: Convert to fraction form
    35,303.04/48,704.64 = 20,192.64/x
  3. Step 3: Cross multiply
    35,303.04x = 48,704.64 × 20,192.64
  4. Step 4: Simplify right side
    35,303.04x = 983,475,261.85
  5. Step 5: Solve for x
    x = 983,475,261.85/35,303.04
  6. Step 6: Final answer
    x = 27,858.09

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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.