Home / 52,903.32-79,356.18-21,316.56

Finding the Fourth Proportional to 52,903.32, 79,356.18 and 21,316.56

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Solution

The fourth proportional to 52,903.32, 79,356.18 and 21,316.56 is: 31,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.32 : 79,356.18 = 21,316.56 : x
  2. Step 2: Convert to fraction form
    52,903.32/79,356.18 = 21,316.56/x
  3. Step 3: Cross multiply
    52,903.32x = 79,356.18 × 21,316.56
  4. Step 4: Simplify right side
    52,903.32x = 1,691,600,772.34
  5. Step 5: Solve for x
    x = 1,691,600,772.34/52,903.32
  6. Step 6: Final answer
    x = 31,975.32

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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.