Home / 55,074.11-75,999.29-31,200.26

Finding the Fourth Proportional to 55,074.11, 75,999.29 and 31,200.26

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Solution

The fourth proportional to 55,074.11, 75,999.29 and 31,200.26 is: 43,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,074.11 : 75,999.29 = 31,200.26 : x
  2. Step 2: Convert to fraction form
    55,074.11/75,999.29 = 31,200.26/x
  3. Step 3: Cross multiply
    55,074.11x = 75,999.29 × 31,200.26
  4. Step 4: Simplify right side
    55,074.11x = 2,371,197,071.82
  5. Step 5: Solve for x
    x = 2,371,197,071.82/55,074.11
  6. Step 6: Final answer
    x = 43,054.66

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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.