Home / 30,279.98-41,785.53-16,851.71

Finding the Fourth Proportional to 30,279.98, 41,785.53 and 16,851.71

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Solution

The fourth proportional to 30,279.98, 41,785.53 and 16,851.71 is: 23,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.98 : 41,785.53 = 16,851.71 : x
  2. Step 2: Convert to fraction form
    30,279.98/41,785.53 = 16,851.71/x
  3. Step 3: Cross multiply
    30,279.98x = 41,785.53 × 16,851.71
  4. Step 4: Simplify right side
    30,279.98x = 704,157,633.76
  5. Step 5: Solve for x
    x = 704,157,633.76/30,279.98
  6. Step 6: Final answer
    x = 23,254.89

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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.