Home / 23,020.34-31,759.07-12,946.47

Finding the Fourth Proportional to 23,020.34, 31,759.07 and 12,946.47

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Solution

The fourth proportional to 23,020.34, 31,759.07 and 12,946.47 is: 17,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.34 : 31,759.07 = 12,946.47 : x
  2. Step 2: Convert to fraction form
    23,020.34/31,759.07 = 12,946.47/x
  3. Step 3: Cross multiply
    23,020.34x = 31,759.07 × 12,946.47
  4. Step 4: Simplify right side
    23,020.34x = 411,167,879.35
  5. Step 5: Solve for x
    x = 411,167,879.35/23,020.34
  6. Step 6: Final answer
    x = 17,861.07

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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.