Home / 55,619.89-76,760.93-31,750.13

Finding the Fourth Proportional to 55,619.89, 76,760.93 and 31,750.13

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Solution

The fourth proportional to 55,619.89, 76,760.93 and 31,750.13 is: 43,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.89 : 76,760.93 = 31,750.13 : x
  2. Step 2: Convert to fraction form
    55,619.89/76,760.93 = 31,750.13/x
  3. Step 3: Cross multiply
    55,619.89x = 76,760.93 × 31,750.13
  4. Step 4: Simplify right side
    55,619.89x = 2,437,169,777.70
  5. Step 5: Solve for x
    x = 2,437,169,777.70/55,619.89
  6. Step 6: Final answer
    x = 43,818.32

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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.