Home / 55,436.46-76,503.89-31,237.65

Finding the Fourth Proportional to 55,436.46, 76,503.89 and 31,237.65

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Solution

The fourth proportional to 55,436.46, 76,503.89 and 31,237.65 is: 43,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,436.46 : 76,503.89 = 31,237.65 : x
  2. Step 2: Convert to fraction form
    55,436.46/76,503.89 = 31,237.65/x
  3. Step 3: Cross multiply
    55,436.46x = 76,503.89 × 31,237.65
  4. Step 4: Simplify right side
    55,436.46x = 2,389,801,866.97
  5. Step 5: Solve for x
    x = 2,389,801,866.97/55,436.46
  6. Step 6: Final answer
    x = 43,108.84

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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.