Home / 57,123.10-78,810.80-33,244.71

Finding the Fourth Proportional to 57,123.10, 78,810.80 and 33,244.71

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Solution

The fourth proportional to 57,123.10, 78,810.80 and 33,244.71 is: 45,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.10 : 78,810.80 = 33,244.71 : x
  2. Step 2: Convert to fraction form
    57,123.10/78,810.80 = 33,244.71/x
  3. Step 3: Cross multiply
    57,123.10x = 78,810.80 × 33,244.71
  4. Step 4: Simplify right side
    57,123.10x = 2,620,042,190.87
  5. Step 5: Solve for x
    x = 2,620,042,190.87/57,123.10
  6. Step 6: Final answer
    x = 45,866.60

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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.