Home / 35,390.41-48,840.13-19,474.51

Finding the Fourth Proportional to 35,390.41, 48,840.13 and 19,474.51

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Solution

The fourth proportional to 35,390.41, 48,840.13 and 19,474.51 is: 26,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.41 : 48,840.13 = 19,474.51 : x
  2. Step 2: Convert to fraction form
    35,390.41/48,840.13 = 19,474.51/x
  3. Step 3: Cross multiply
    35,390.41x = 48,840.13 × 19,474.51
  4. Step 4: Simplify right side
    35,390.41x = 951,137,600.09
  5. Step 5: Solve for x
    x = 951,137,600.09/35,390.41
  6. Step 6: Final answer
    x = 26,875.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.