Home / 55,549.94-76,675.01-31,689.62

Finding the Fourth Proportional to 55,549.94, 76,675.01 and 31,689.62

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Solution

The fourth proportional to 55,549.94, 76,675.01 and 31,689.62 is: 43,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.94 : 76,675.01 = 31,689.62 : x
  2. Step 2: Convert to fraction form
    55,549.94/76,675.01 = 31,689.62/x
  3. Step 3: Cross multiply
    55,549.94x = 76,675.01 × 31,689.62
  4. Step 4: Simplify right side
    55,549.94x = 2,429,801,930.40
  5. Step 5: Solve for x
    x = 2,429,801,930.40/55,549.94
  6. Step 6: Final answer
    x = 43,740.86

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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.