Home / 34,695.69-47,880.92-21,274.34

Finding the Fourth Proportional to 34,695.69, 47,880.92 and 21,274.34

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Solution

The fourth proportional to 34,695.69, 47,880.92 and 21,274.34 is: 29,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.69 : 47,880.92 = 21,274.34 : x
  2. Step 2: Convert to fraction form
    34,695.69/47,880.92 = 21,274.34/x
  3. Step 3: Cross multiply
    34,695.69x = 47,880.92 × 21,274.34
  4. Step 4: Simplify right side
    34,695.69x = 1,018,634,785.37
  5. Step 5: Solve for x
    x = 1,018,634,785.37/34,695.69
  6. Step 6: Final answer
    x = 29,359.12

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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.