Home / 55,433.76-76,496.88-31,563.84

Finding the Fourth Proportional to 55,433.76, 76,496.88 and 31,563.84

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Solution

The fourth proportional to 55,433.76, 76,496.88 and 31,563.84 is: 43,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433.76 : 76,496.88 = 31,563.84 : x
  2. Step 2: Convert to fraction form
    55,433.76/76,496.88 = 31,563.84/x
  3. Step 3: Cross multiply
    55,433.76x = 76,496.88 × 31,563.84
  4. Step 4: Simplify right side
    55,433.76x = 2,414,535,280.82
  5. Step 5: Solve for x
    x = 2,414,535,280.82/55,433.76
  6. Step 6: Final answer
    x = 43,557.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.