Home / 55,480.47-76,563.86-31,606.63

Finding the Fourth Proportional to 55,480.47, 76,563.86 and 31,606.63

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Solution

The fourth proportional to 55,480.47, 76,563.86 and 31,606.63 is: 43,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.47 : 76,563.86 = 31,606.63 : x
  2. Step 2: Convert to fraction form
    55,480.47/76,563.86 = 31,606.63/x
  3. Step 3: Cross multiply
    55,480.47x = 76,563.86 × 31,606.63
  4. Step 4: Simplify right side
    55,480.47x = 2,419,925,594.39
  5. Step 5: Solve for x
    x = 2,419,925,594.39/55,480.47
  6. Step 6: Final answer
    x = 43,617.61

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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.