Home / 55,485.24-76,569.54-31,611.90

Finding the Fourth Proportional to 55,485.24, 76,569.54 and 31,611.90

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Solution

The fourth proportional to 55,485.24, 76,569.54 and 31,611.90 is: 43,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,485.24 : 76,569.54 = 31,611.90 : x
  2. Step 2: Convert to fraction form
    55,485.24/76,569.54 = 31,611.90/x
  3. Step 3: Cross multiply
    55,485.24x = 76,569.54 × 31,611.90
  4. Step 4: Simplify right side
    55,485.24x = 2,420,508,641.53
  5. Step 5: Solve for x
    x = 2,420,508,641.53/55,485.24
  6. Step 6: Final answer
    x = 43,624.37

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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.