Home / 30,406.03-41,959.93-16,977.52

Finding the Fourth Proportional to 30,406.03, 41,959.93 and 16,977.52

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Solution

The fourth proportional to 30,406.03, 41,959.93 and 16,977.52 is: 23,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.03 : 41,959.93 = 16,977.52 : x
  2. Step 2: Convert to fraction form
    30,406.03/41,959.93 = 16,977.52/x
  3. Step 3: Cross multiply
    30,406.03x = 41,959.93 × 16,977.52
  4. Step 4: Simplify right side
    30,406.03x = 712,375,550.77
  5. Step 5: Solve for x
    x = 712,375,550.77/30,406.03
  6. Step 6: Final answer
    x = 23,428.76

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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.