Home / 30,836.43-42,554.26-16,689.27

Finding the Fourth Proportional to 30,836.43, 42,554.26 and 16,689.27

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Solution

The fourth proportional to 30,836.43, 42,554.26 and 16,689.27 is: 23,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.43 : 42,554.26 = 16,689.27 : x
  2. Step 2: Convert to fraction form
    30,836.43/42,554.26 = 16,689.27/x
  3. Step 3: Cross multiply
    30,836.43x = 42,554.26 × 16,689.27
  4. Step 4: Simplify right side
    30,836.43x = 710,199,534.79
  5. Step 5: Solve for x
    x = 710,199,534.79/30,836.43
  6. Step 6: Final answer
    x = 23,031.19

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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.