Home / 37,068.38-51,155.23-21,154.31

Finding the Fourth Proportional to 37,068.38, 51,155.23 and 21,154.31

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Solution

The fourth proportional to 37,068.38, 51,155.23 and 21,154.31 is: 29,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068.38 : 51,155.23 = 21,154.31 : x
  2. Step 2: Convert to fraction form
    37,068.38/51,155.23 = 21,154.31/x
  3. Step 3: Cross multiply
    37,068.38x = 51,155.23 × 21,154.31
  4. Step 4: Simplify right side
    37,068.38x = 1,082,153,804.12
  5. Step 5: Solve for x
    x = 1,082,153,804.12/37,068.38
  6. Step 6: Final answer
    x = 29,193.44

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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.