Home / 39,278.93-58,652.30-30,864.51

Finding the Fourth Proportional to 39,278.93, 58,652.30 and 30,864.51

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Solution

The fourth proportional to 39,278.93, 58,652.30 and 30,864.51 is: 46,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.93 : 58,652.30 = 30,864.51 : x
  2. Step 2: Convert to fraction form
    39,278.93/58,652.30 = 30,864.51/x
  3. Step 3: Cross multiply
    39,278.93x = 58,652.30 × 30,864.51
  4. Step 4: Simplify right side
    39,278.93x = 1,810,274,577.03
  5. Step 5: Solve for x
    x = 1,810,274,577.03/39,278.93
  6. Step 6: Final answer
    x = 46,087.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.