Home / 35,128.76-52,705.28-20,350.58

Finding the Fourth Proportional to 35,128.76, 52,705.28 and 20,350.58

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Solution

The fourth proportional to 35,128.76, 52,705.28 and 20,350.58 is: 30,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.76 : 52,705.28 = 20,350.58 : x
  2. Step 2: Convert to fraction form
    35,128.76/52,705.28 = 20,350.58/x
  3. Step 3: Cross multiply
    35,128.76x = 52,705.28 × 20,350.58
  4. Step 4: Simplify right side
    35,128.76x = 1,072,582,804.41
  5. Step 5: Solve for x
    x = 1,072,582,804.41/35,128.76
  6. Step 6: Final answer
    x = 30,532.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.