Home / 30,846.30-42,567.75-16,699.02

Finding the Fourth Proportional to 30,846.30, 42,567.75 and 16,699.02

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Solution

The fourth proportional to 30,846.30, 42,567.75 and 16,699.02 is: 23,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.30 : 42,567.75 = 16,699.02 : x
  2. Step 2: Convert to fraction form
    30,846.30/42,567.75 = 16,699.02/x
  3. Step 3: Cross multiply
    30,846.30x = 42,567.75 × 16,699.02
  4. Step 4: Simplify right side
    30,846.30x = 710,839,708.61
  5. Step 5: Solve for x
    x = 710,839,708.61/30,846.30
  6. Step 6: Final answer
    x = 23,044.57

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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.