Home / 30,835.07-42,552.50-16,687.91

Finding the Fourth Proportional to 30,835.07, 42,552.50 and 16,687.91

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Solution

The fourth proportional to 30,835.07, 42,552.50 and 16,687.91 is: 23,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.07 : 42,552.50 = 16,687.91 : x
  2. Step 2: Convert to fraction form
    30,835.07/42,552.50 = 16,687.91/x
  3. Step 3: Cross multiply
    30,835.07x = 42,552.50 × 16,687.91
  4. Step 4: Simplify right side
    30,835.07x = 710,112,290.28
  5. Step 5: Solve for x
    x = 710,112,290.28/30,835.07
  6. Step 6: Final answer
    x = 23,029.37

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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.