Home / 30,122.12-45,210.92-15,341.68

Finding the Fourth Proportional to 30,122.12, 45,210.92 and 15,341.68

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Solution

The fourth proportional to 30,122.12, 45,210.92 and 15,341.68 is: 23,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.12 : 45,210.92 = 15,341.68 : x
  2. Step 2: Convert to fraction form
    30,122.12/45,210.92 = 15,341.68/x
  3. Step 3: Cross multiply
    30,122.12x = 45,210.92 × 15,341.68
  4. Step 4: Simplify right side
    30,122.12x = 693,611,467.15
  5. Step 5: Solve for x
    x = 693,611,467.15/30,122.12
  6. Step 6: Final answer
    x = 23,026.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.