Home / 63,146.97-94,653.81-21,015.72

Finding the Fourth Proportional to 63,146.97, 94,653.81 and 21,015.72

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Solution

The fourth proportional to 63,146.97, 94,653.81 and 21,015.72 is: 31,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,146.97 : 94,653.81 = 21,015.72 : x
  2. Step 2: Convert to fraction form
    63,146.97/94,653.81 = 21,015.72/x
  3. Step 3: Cross multiply
    63,146.97x = 94,653.81 × 21,015.72
  4. Step 4: Simplify right side
    63,146.97x = 1,989,217,967.89
  5. Step 5: Solve for x
    x = 1,989,217,967.89/63,146.97
  6. Step 6: Final answer
    x = 31,501.40

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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.