Home / 42,040.14-63,051.48-12,451.02

Finding the Fourth Proportional to 42,040.14, 63,051.48 and 12,451.02

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Solution

The fourth proportional to 42,040.14, 63,051.48 and 12,451.02 is: 18,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.14 : 63,051.48 = 12,451.02 : x
  2. Step 2: Convert to fraction form
    42,040.14/63,051.48 = 12,451.02/x
  3. Step 3: Cross multiply
    42,040.14x = 63,051.48 × 12,451.02
  4. Step 4: Simplify right side
    42,040.14x = 785,055,238.51
  5. Step 5: Solve for x
    x = 785,055,238.51/42,040.14
  6. Step 6: Final answer
    x = 18,673.94

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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.