Home / 30,357.18-41,893.13-16,929.30

Finding the Fourth Proportional to 30,357.18, 41,893.13 and 16,929.30

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Solution

The fourth proportional to 30,357.18, 41,893.13 and 16,929.30 is: 23,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.18 : 41,893.13 = 16,929.30 : x
  2. Step 2: Convert to fraction form
    30,357.18/41,893.13 = 16,929.30/x
  3. Step 3: Cross multiply
    30,357.18x = 41,893.13 × 16,929.30
  4. Step 4: Simplify right side
    30,357.18x = 709,221,565.13
  5. Step 5: Solve for x
    x = 709,221,565.13/30,357.18
  6. Step 6: Final answer
    x = 23,362.56

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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.