Home / 57,798.28-79,756.98-33,905.80

Finding the Fourth Proportional to 57,798.28, 79,756.98 and 33,905.80

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Solution

The fourth proportional to 57,798.28, 79,756.98 and 33,905.80 is: 46,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.28 : 79,756.98 = 33,905.80 : x
  2. Step 2: Convert to fraction form
    57,798.28/79,756.98 = 33,905.80/x
  3. Step 3: Cross multiply
    57,798.28x = 79,756.98 × 33,905.80
  4. Step 4: Simplify right side
    57,798.28x = 2,704,224,212.48
  5. Step 5: Solve for x
    x = 2,704,224,212.48/57,798.28
  6. Step 6: Final answer
    x = 46,787.28

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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.