Home / 45,646.06-68,439.77-19,010.51

Finding the Fourth Proportional to 45,646.06, 68,439.77 and 19,010.51

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Solution

The fourth proportional to 45,646.06, 68,439.77 and 19,010.51 is: 28,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,646.06 : 68,439.77 = 19,010.51 : x
  2. Step 2: Convert to fraction form
    45,646.06/68,439.77 = 19,010.51/x
  3. Step 3: Cross multiply
    45,646.06x = 68,439.77 × 19,010.51
  4. Step 4: Simplify right side
    45,646.06x = 1,301,074,836.93
  5. Step 5: Solve for x
    x = 1,301,074,836.93/45,646.06
  6. Step 6: Final answer
    x = 28,503.55

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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.