Home / 42,173.05-63,267.27-14,090.44

Finding the Fourth Proportional to 42,173.05, 63,267.27 and 14,090.44

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Solution

The fourth proportional to 42,173.05, 63,267.27 and 14,090.44 is: 21,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.05 : 63,267.27 = 14,090.44 : x
  2. Step 2: Convert to fraction form
    42,173.05/63,267.27 = 14,090.44/x
  3. Step 3: Cross multiply
    42,173.05x = 63,267.27 × 14,090.44
  4. Step 4: Simplify right side
    42,173.05x = 891,463,671.90
  5. Step 5: Solve for x
    x = 891,463,671.90/42,173.05
  6. Step 6: Final answer
    x = 21,138.23

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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.