Home / 55,605.20-76,740.68-31,735.46

Finding the Fourth Proportional to 55,605.20, 76,740.68 and 31,735.46

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Solution

The fourth proportional to 55,605.20, 76,740.68 and 31,735.46 is: 43,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.20 : 76,740.68 = 31,735.46 : x
  2. Step 2: Convert to fraction form
    55,605.20/76,740.68 = 31,735.46/x
  3. Step 3: Cross multiply
    55,605.20x = 76,740.68 × 31,735.46
  4. Step 4: Simplify right side
    55,605.20x = 2,435,400,780.51
  5. Step 5: Solve for x
    x = 2,435,400,780.51/55,605.20
  6. Step 6: Final answer
    x = 43,798.08

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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.