Home / 55,551.96-76,659.75-31,686.26

Finding the Fourth Proportional to 55,551.96, 76,659.75 and 31,686.26

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Solution

The fourth proportional to 55,551.96, 76,659.75 and 31,686.26 is: 43,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551.96 : 76,659.75 = 31,686.26 : x
  2. Step 2: Convert to fraction form
    55,551.96/76,659.75 = 31,686.26/x
  3. Step 3: Cross multiply
    55,551.96x = 76,659.75 × 31,686.26
  4. Step 4: Simplify right side
    55,551.96x = 2,429,060,386.74
  5. Step 5: Solve for x
    x = 2,429,060,386.74/55,551.96
  6. Step 6: Final answer
    x = 43,725.92

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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.