Home / 42,142.12-63,212.80-17,176.32

Finding the Fourth Proportional to 42,142.12, 63,212.80 and 17,176.32

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Solution

The fourth proportional to 42,142.12, 63,212.80 and 17,176.32 is: 25,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,142.12 : 63,212.80 = 17,176.32 : x
  2. Step 2: Convert to fraction form
    42,142.12/63,212.80 = 17,176.32/x
  3. Step 3: Cross multiply
    42,142.12x = 63,212.80 × 17,176.32
  4. Step 4: Simplify right side
    42,142.12x = 1,085,763,280.90
  5. Step 5: Solve for x
    x = 1,085,763,280.90/42,142.12
  6. Step 6: Final answer
    x = 25,764.33

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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.