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Finding the Fourth Proportional to 34,703, 47,889.25 and 19,389.66

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Solution

The fourth proportional to 34,703, 47,889.25 and 19,389.66 is: 26,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703 : 47,889.25 = 19,389.66 : x
  2. Step 2: Convert to fraction form
    34,703/47,889.25 = 19,389.66/x
  3. Step 3: Cross multiply
    34,703x = 47,889.25 × 19,389.66
  4. Step 4: Simplify right side
    34,703x = 928,556,275.16
  5. Step 5: Solve for x
    x = 928,556,275.16/34,703
  6. Step 6: Final answer
    x = 26,757.23

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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.