Home / 55,726.84-76,903.86-31,855.06

Finding the Fourth Proportional to 55,726.84, 76,903.86 and 31,855.06

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Solution

The fourth proportional to 55,726.84, 76,903.86 and 31,855.06 is: 43,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.84 : 76,903.86 = 31,855.06 : x
  2. Step 2: Convert to fraction form
    55,726.84/76,903.86 = 31,855.06/x
  3. Step 3: Cross multiply
    55,726.84x = 76,903.86 × 31,855.06
  4. Step 4: Simplify right side
    55,726.84x = 2,449,777,074.53
  5. Step 5: Solve for x
    x = 2,449,777,074.53/55,726.84
  6. Step 6: Final answer
    x = 43,960.45

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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.