Home / 42,135.53-63,196.37-14,055.80

Finding the Fourth Proportional to 42,135.53, 63,196.37 and 14,055.80

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Solution

The fourth proportional to 42,135.53, 63,196.37 and 14,055.80 is: 21,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.53 : 63,196.37 = 14,055.80 : x
  2. Step 2: Convert to fraction form
    42,135.53/63,196.37 = 14,055.80/x
  3. Step 3: Cross multiply
    42,135.53x = 63,196.37 × 14,055.80
  4. Step 4: Simplify right side
    42,135.53x = 888,275,203.89
  5. Step 5: Solve for x
    x = 888,275,203.89/42,135.53
  6. Step 6: Final answer
    x = 21,081.38

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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.