Home / 30,115.63-41,559.53-16,687.76

Finding the Fourth Proportional to 30,115.63, 41,559.53 and 16,687.76

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Solution

The fourth proportional to 30,115.63, 41,559.53 and 16,687.76 is: 23,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.63 : 41,559.53 = 16,687.76 : x
  2. Step 2: Convert to fraction form
    30,115.63/41,559.53 = 16,687.76/x
  3. Step 3: Cross multiply
    30,115.63x = 41,559.53 × 16,687.76
  4. Step 4: Simplify right side
    30,115.63x = 693,535,264.98
  5. Step 5: Solve for x
    x = 693,535,264.98/30,115.63
  6. Step 6: Final answer
    x = 23,029.08

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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.