Home / 55,589.84-76,718.36-31,711.04

Finding the Fourth Proportional to 55,589.84, 76,718.36 and 31,711.04

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Solution

The fourth proportional to 55,589.84, 76,718.36 and 31,711.04 is: 43,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.84 : 76,718.36 = 31,711.04 : x
  2. Step 2: Convert to fraction form
    55,589.84/76,718.36 = 31,711.04/x
  3. Step 3: Cross multiply
    55,589.84x = 76,718.36 × 31,711.04
  4. Step 4: Simplify right side
    55,589.84x = 2,432,818,982.69
  5. Step 5: Solve for x
    x = 2,432,818,982.69/55,589.84
  6. Step 6: Final answer
    x = 43,763.73

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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.