Home / 42,542.12-63,820.10-14,464.68

Finding the Fourth Proportional to 42,542.12, 63,820.10 and 14,464.68

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Solution

The fourth proportional to 42,542.12, 63,820.10 and 14,464.68 is: 21,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.12 : 63,820.10 = 14,464.68 : x
  2. Step 2: Convert to fraction form
    42,542.12/63,820.10 = 14,464.68/x
  3. Step 3: Cross multiply
    42,542.12x = 63,820.10 × 14,464.68
  4. Step 4: Simplify right side
    42,542.12x = 923,137,324.07
  5. Step 5: Solve for x
    x = 923,137,324.07/42,542.12
  6. Step 6: Final answer
    x = 21,699.37

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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.