Home / 55,187.57-76,160.63-31,315.25

Finding the Fourth Proportional to 55,187.57, 76,160.63 and 31,315.25

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Solution

The fourth proportional to 55,187.57, 76,160.63 and 31,315.25 is: 43,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187.57 : 76,160.63 = 31,315.25 : x
  2. Step 2: Convert to fraction form
    55,187.57/76,160.63 = 31,315.25/x
  3. Step 3: Cross multiply
    55,187.57x = 76,160.63 × 31,315.25
  4. Step 4: Simplify right side
    55,187.57x = 2,384,989,168.61
  5. Step 5: Solve for x
    x = 2,384,989,168.61/55,187.57
  6. Step 6: Final answer
    x = 43,216.06

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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.