Home / 55,749.33-76,935.02-31,876.20

Finding the Fourth Proportional to 55,749.33, 76,935.02 and 31,876.20

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Solution

The fourth proportional to 55,749.33, 76,935.02 and 31,876.20 is: 43,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.33 : 76,935.02 = 31,876.20 : x
  2. Step 2: Convert to fraction form
    55,749.33/76,935.02 = 31,876.20/x
  3. Step 3: Cross multiply
    55,749.33x = 76,935.02 × 31,876.20
  4. Step 4: Simplify right side
    55,749.33x = 2,452,395,925.14
  5. Step 5: Solve for x
    x = 2,452,395,925.14/55,749.33
  6. Step 6: Final answer
    x = 43,989.69

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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.