Home / 30,448.94-42,020.15-16,837.00

Finding the Fourth Proportional to 30,448.94, 42,020.15 and 16,837.00

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Solution

The fourth proportional to 30,448.94, 42,020.15 and 16,837.00 is: 23,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.94 : 42,020.15 = 16,837.00 : x
  2. Step 2: Convert to fraction form
    30,448.94/42,020.15 = 16,837.00/x
  3. Step 3: Cross multiply
    30,448.94x = 42,020.15 × 16,837.00
  4. Step 4: Simplify right side
    30,448.94x = 707,493,076.31
  5. Step 5: Solve for x
    x = 707,493,076.31/30,448.94
  6. Step 6: Final answer
    x = 23,235.40

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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.