Home / 30,064.61-41,486.34-20,354.32

Finding the Fourth Proportional to 30,064.61, 41,486.34 and 20,354.32

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Solution

The fourth proportional to 30,064.61, 41,486.34 and 20,354.32 is: 28,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.61 : 41,486.34 = 20,354.32 : x
  2. Step 2: Convert to fraction form
    30,064.61/41,486.34 = 20,354.32/x
  3. Step 3: Cross multiply
    30,064.61x = 41,486.34 × 20,354.32
  4. Step 4: Simplify right side
    30,064.61x = 844,425,930.79
  5. Step 5: Solve for x
    x = 844,425,930.79/30,064.61
  6. Step 6: Final answer
    x = 28,087.04

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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.