Home / 34,240.28-47,248.80-19,131.80

Finding the Fourth Proportional to 34,240.28, 47,248.80 and 19,131.80

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Solution

The fourth proportional to 34,240.28, 47,248.80 and 19,131.80 is: 26,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,240.28 : 47,248.80 = 19,131.80 : x
  2. Step 2: Convert to fraction form
    34,240.28/47,248.80 = 19,131.80/x
  3. Step 3: Cross multiply
    34,240.28x = 47,248.80 × 19,131.80
  4. Step 4: Simplify right side
    34,240.28x = 903,954,591.84
  5. Step 5: Solve for x
    x = 903,954,591.84/34,240.28
  6. Step 6: Final answer
    x = 26,400.33

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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.