Home / 55,030.20-82,532-25,419.56

Finding the Fourth Proportional to 55,030.20, 82,532 and 25,419.56

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Solution

The fourth proportional to 55,030.20, 82,532 and 25,419.56 is: 38,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.20 : 82,532 = 25,419.56 : x
  2. Step 2: Convert to fraction form
    55,030.20/82,532 = 25,419.56/x
  3. Step 3: Cross multiply
    55,030.20x = 82,532 × 25,419.56
  4. Step 4: Simplify right side
    55,030.20x = 2,097,927,125.92
  5. Step 5: Solve for x
    x = 2,097,927,125.92/55,030.20
  6. Step 6: Final answer
    x = 38,123.20

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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.