Home / 42,070.98-63,118.44-17,128.94

Finding the Fourth Proportional to 42,070.98, 63,118.44 and 17,128.94

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Solution

The fourth proportional to 42,070.98, 63,118.44 and 17,128.94 is: 25,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.98 : 63,118.44 = 17,128.94 : x
  2. Step 2: Convert to fraction form
    42,070.98/63,118.44 = 17,128.94/x
  3. Step 3: Cross multiply
    42,070.98x = 63,118.44 × 17,128.94
  4. Step 4: Simplify right side
    42,070.98x = 1,081,151,656.06
  5. Step 5: Solve for x
    x = 1,081,151,656.06/42,070.98
  6. Step 6: Final answer
    x = 25,698.28

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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.