Home / 55,440.73-76,508.45-30,290.77

Finding the Fourth Proportional to 55,440.73, 76,508.45 and 30,290.77

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Solution

The fourth proportional to 55,440.73, 76,508.45 and 30,290.77 is: 41,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.73 : 76,508.45 = 30,290.77 : x
  2. Step 2: Convert to fraction form
    55,440.73/76,508.45 = 30,290.77/x
  3. Step 3: Cross multiply
    55,440.73x = 76,508.45 × 30,290.77
  4. Step 4: Simplify right side
    55,440.73x = 2,317,499,862.01
  5. Step 5: Solve for x
    x = 2,317,499,862.01/55,440.73
  6. Step 6: Final answer
    x = 41,801.40

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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.