Home / 30,314.31-41,835-16,885.54

Finding the Fourth Proportional to 30,314.31, 41,835 and 16,885.54

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Solution

The fourth proportional to 30,314.31, 41,835 and 16,885.54 is: 23,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.31 : 41,835 = 16,885.54 : x
  2. Step 2: Convert to fraction form
    30,314.31/41,835 = 16,885.54/x
  3. Step 3: Cross multiply
    30,314.31x = 41,835 × 16,885.54
  4. Step 4: Simplify right side
    30,314.31x = 706,406,565.90
  5. Step 5: Solve for x
    x = 706,406,565.90/30,314.31
  6. Step 6: Final answer
    x = 23,302.74

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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.