Home / 55,440.48-76,508.10-30,290.52

Finding the Fourth Proportional to 55,440.48, 76,508.10 and 30,290.52

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Solution

The fourth proportional to 55,440.48, 76,508.10 and 30,290.52 is: 41,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.48 : 76,508.10 = 30,290.52 : x
  2. Step 2: Convert to fraction form
    55,440.48/76,508.10 = 30,290.52/x
  3. Step 3: Cross multiply
    55,440.48x = 76,508.10 × 30,290.52
  4. Step 4: Simplify right side
    55,440.48x = 2,317,470,133.21
  5. Step 5: Solve for x
    x = 2,317,470,133.21/55,440.48
  6. Step 6: Final answer
    x = 41,801.05

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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.