Home / 60,942.32-91,415.51-20,960.92

Finding the Fourth Proportional to 60,942.32, 91,415.51 and 20,960.92

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Solution

The fourth proportional to 60,942.32, 91,415.51 and 20,960.92 is: 31,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,942.32 : 91,415.51 = 20,960.92 : x
  2. Step 2: Convert to fraction form
    60,942.32/91,415.51 = 20,960.92/x
  3. Step 3: Cross multiply
    60,942.32x = 91,415.51 × 20,960.92
  4. Step 4: Simplify right side
    60,942.32x = 1,916,153,191.87
  5. Step 5: Solve for x
    x = 1,916,153,191.87/60,942.32
  6. Step 6: Final answer
    x = 31,442.08

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1.5x scale

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.