Home / 55,602.47-76,731.57-30,109.14

Finding the Fourth Proportional to 55,602.47, 76,731.57 and 30,109.14

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Solution

The fourth proportional to 55,602.47, 76,731.57 and 30,109.14 is: 41,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.47 : 76,731.57 = 30,109.14 : x
  2. Step 2: Convert to fraction form
    55,602.47/76,731.57 = 30,109.14/x
  3. Step 3: Cross multiply
    55,602.47x = 76,731.57 × 30,109.14
  4. Step 4: Simplify right side
    55,602.47x = 2,310,321,583.55
  5. Step 5: Solve for x
    x = 2,310,321,583.55/55,602.47
  6. Step 6: Final answer
    x = 41,550.70

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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.