Home / 42,180.55-63,249.33-14,090.51

Finding the Fourth Proportional to 42,180.55, 63,249.33 and 14,090.51

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Solution

The fourth proportional to 42,180.55, 63,249.33 and 14,090.51 is: 21,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.55 : 63,249.33 = 14,090.51 : x
  2. Step 2: Convert to fraction form
    42,180.55/63,249.33 = 14,090.51/x
  3. Step 3: Cross multiply
    42,180.55x = 63,249.33 × 14,090.51
  4. Step 4: Simplify right side
    42,180.55x = 891,215,316.86
  5. Step 5: Solve for x
    x = 891,215,316.86/42,180.55
  6. Step 6: Final answer
    x = 21,128.58

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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.