Home / 42,135.37-63,203.30-14,055.35

Finding the Fourth Proportional to 42,135.37, 63,203.30 and 14,055.35

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Solution

The fourth proportional to 42,135.37, 63,203.30 and 14,055.35 is: 21,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.37 : 63,203.30 = 14,055.35 : x
  2. Step 2: Convert to fraction form
    42,135.37/63,203.30 = 14,055.35/x
  3. Step 3: Cross multiply
    42,135.37x = 63,203.30 × 14,055.35
  4. Step 4: Simplify right side
    42,135.37x = 888,344,590.39
  5. Step 5: Solve for x
    x = 888,344,590.39/42,135.37
  6. Step 6: Final answer
    x = 21,083.11

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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.