Home / 33,020.04-45,575.64-18,880.86

Finding the Fourth Proportional to 33,020.04, 45,575.64 and 18,880.86

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Solution

The fourth proportional to 33,020.04, 45,575.64 and 18,880.86 is: 26,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,020.04 : 45,575.64 = 18,880.86 : x
  2. Step 2: Convert to fraction form
    33,020.04/45,575.64 = 18,880.86/x
  3. Step 3: Cross multiply
    33,020.04x = 45,575.64 × 18,880.86
  4. Step 4: Simplify right side
    33,020.04x = 860,507,278.25
  5. Step 5: Solve for x
    x = 860,507,278.25/33,020.04
  6. Step 6: Final answer
    x = 26,060.15

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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.