Home / 30,455.77-42,027.23-16,843.01

Finding the Fourth Proportional to 30,455.77, 42,027.23 and 16,843.01

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Solution

The fourth proportional to 30,455.77, 42,027.23 and 16,843.01 is: 23,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.77 : 42,027.23 = 16,843.01 : x
  2. Step 2: Convert to fraction form
    30,455.77/42,027.23 = 16,843.01/x
  3. Step 3: Cross multiply
    30,455.77x = 42,027.23 × 16,843.01
  4. Step 4: Simplify right side
    30,455.77x = 707,865,202.34
  5. Step 5: Solve for x
    x = 707,865,202.34/30,455.77
  6. Step 6: Final answer
    x = 23,242.40

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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.