Home / 60,431.46-90,637.83-30,871.14

Finding the Fourth Proportional to 60,431.46, 90,637.83 and 30,871.14

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Solution

The fourth proportional to 60,431.46, 90,637.83 and 30,871.14 is: 46,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.46 : 90,637.83 = 30,871.14 : x
  2. Step 2: Convert to fraction form
    60,431.46/90,637.83 = 30,871.14/x
  3. Step 3: Cross multiply
    60,431.46x = 90,637.83 × 30,871.14
  4. Step 4: Simplify right side
    60,431.46x = 2,798,093,139.23
  5. Step 5: Solve for x
    x = 2,798,093,139.23/60,431.46
  6. Step 6: Final answer
    x = 46,301.93

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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.