Home / 42,116.83-63,120.45-17,127.74

Finding the Fourth Proportional to 42,116.83, 63,120.45 and 17,127.74

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Solution

The fourth proportional to 42,116.83, 63,120.45 and 17,127.74 is: 25,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,116.83 : 63,120.45 = 17,127.74 : x
  2. Step 2: Convert to fraction form
    42,116.83/63,120.45 = 17,127.74/x
  3. Step 3: Cross multiply
    42,116.83x = 63,120.45 × 17,127.74
  4. Step 4: Simplify right side
    42,116.83x = 1,081,110,656.28
  5. Step 5: Solve for x
    x = 1,081,110,656.28/42,116.83
  6. Step 6: Final answer
    x = 25,669.33

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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.