Home / 30,073.24-41,501.15-16,645.42

Finding the Fourth Proportional to 30,073.24, 41,501.15 and 16,645.42

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Solution

The fourth proportional to 30,073.24, 41,501.15 and 16,645.42 is: 22,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.24 : 41,501.15 = 16,645.42 : x
  2. Step 2: Convert to fraction form
    30,073.24/41,501.15 = 16,645.42/x
  3. Step 3: Cross multiply
    30,073.24x = 41,501.15 × 16,645.42
  4. Step 4: Simplify right side
    30,073.24x = 690,804,072.23
  5. Step 5: Solve for x
    x = 690,804,072.23/30,073.24
  6. Step 6: Final answer
    x = 22,970.72

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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.