Home / 34,236.24-47,245.47-19,129.20

Finding the Fourth Proportional to 34,236.24, 47,245.47 and 19,129.20

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Solution

The fourth proportional to 34,236.24, 47,245.47 and 19,129.20 is: 26,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236.24 : 47,245.47 = 19,129.20 : x
  2. Step 2: Convert to fraction form
    34,236.24/47,245.47 = 19,129.20/x
  3. Step 3: Cross multiply
    34,236.24x = 47,245.47 × 19,129.20
  4. Step 4: Simplify right side
    34,236.24x = 903,768,044.72
  5. Step 5: Solve for x
    x = 903,768,044.72/34,236.24
  6. Step 6: Final answer
    x = 26,397.99

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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.