Home / 30,848.31-42,570.18-16,700.85

Finding the Fourth Proportional to 30,848.31, 42,570.18 and 16,700.85

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Solution

The fourth proportional to 30,848.31, 42,570.18 and 16,700.85 is: 23,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.31 : 42,570.18 = 16,700.85 : x
  2. Step 2: Convert to fraction form
    30,848.31/42,570.18 = 16,700.85/x
  3. Step 3: Cross multiply
    30,848.31x = 42,570.18 × 16,700.85
  4. Step 4: Simplify right side
    30,848.31x = 710,958,190.65
  5. Step 5: Solve for x
    x = 710,958,190.65/30,848.31
  6. Step 6: Final answer
    x = 23,046.91

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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.