Home / 55,476.60-76,558.17-31,602.90

Finding the Fourth Proportional to 55,476.60, 76,558.17 and 31,602.90

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Solution

The fourth proportional to 55,476.60, 76,558.17 and 31,602.90 is: 43,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476.60 : 76,558.17 = 31,602.90 : x
  2. Step 2: Convert to fraction form
    55,476.60/76,558.17 = 31,602.90/x
  3. Step 3: Cross multiply
    55,476.60x = 76,558.17 × 31,602.90
  4. Step 4: Simplify right side
    55,476.60x = 2,419,460,190.69
  5. Step 5: Solve for x
    x = 2,419,460,190.69/55,476.60
  6. Step 6: Final answer
    x = 43,612.27

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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.