Home / 60,746.94-91,121.20-21,305.18

Finding the Fourth Proportional to 60,746.94, 91,121.20 and 21,305.18

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Solution

The fourth proportional to 60,746.94, 91,121.20 and 21,305.18 is: 31,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,746.94 : 91,121.20 = 21,305.18 : x
  2. Step 2: Convert to fraction form
    60,746.94/91,121.20 = 21,305.18/x
  3. Step 3: Cross multiply
    60,746.94x = 91,121.20 × 21,305.18
  4. Step 4: Simplify right side
    60,746.94x = 1,941,353,567.82
  5. Step 5: Solve for x
    x = 1,941,353,567.82/60,746.94
  6. Step 6: Final answer
    x = 31,958.05

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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.