Home / 55,558.76-76,671.70-31,686.84

Finding the Fourth Proportional to 55,558.76, 76,671.70 and 31,686.84

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Solution

The fourth proportional to 55,558.76, 76,671.70 and 31,686.84 is: 43,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.76 : 76,671.70 = 31,686.84 : x
  2. Step 2: Convert to fraction form
    55,558.76/76,671.70 = 31,686.84/x
  3. Step 3: Cross multiply
    55,558.76x = 76,671.70 × 31,686.84
  4. Step 4: Simplify right side
    55,558.76x = 2,429,483,890.43
  5. Step 5: Solve for x
    x = 2,429,483,890.43/55,558.76
  6. Step 6: Final answer
    x = 43,728.19

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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.