Home / 60,953.36-91,432.04-20,971.92

Finding the Fourth Proportional to 60,953.36, 91,432.04 and 20,971.92

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Solution

The fourth proportional to 60,953.36, 91,432.04 and 20,971.92 is: 31,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,953.36 : 91,432.04 = 20,971.92 : x
  2. Step 2: Convert to fraction form
    60,953.36/91,432.04 = 20,971.92/x
  3. Step 3: Cross multiply
    60,953.36x = 91,432.04 × 20,971.92
  4. Step 4: Simplify right side
    60,953.36x = 1,917,505,428.32
  5. Step 5: Solve for x
    x = 1,917,505,428.32/60,953.36
  6. Step 6: Final answer
    x = 31,458.57

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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.