Home / 34,403.40-47,479.38-19,299.45

Finding the Fourth Proportional to 34,403.40, 47,479.38 and 19,299.45

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Solution

The fourth proportional to 34,403.40, 47,479.38 and 19,299.45 is: 26,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,403.40 : 47,479.38 = 19,299.45 : x
  2. Step 2: Convert to fraction form
    34,403.40/47,479.38 = 19,299.45/x
  3. Step 3: Cross multiply
    34,403.40x = 47,479.38 × 19,299.45
  4. Step 4: Simplify right side
    34,403.40x = 916,325,920.34
  5. Step 5: Solve for x
    x = 916,325,920.34/34,403.40
  6. Step 6: Final answer
    x = 26,634.75

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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.