Home / 37,068.08-51,154.20-21,157.52

Finding the Fourth Proportional to 37,068.08, 51,154.20 and 21,157.52

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Solution

The fourth proportional to 37,068.08, 51,154.20 and 21,157.52 is: 29,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068.08 : 51,154.20 = 21,157.52 : x
  2. Step 2: Convert to fraction form
    37,068.08/51,154.20 = 21,157.52/x
  3. Step 3: Cross multiply
    37,068.08x = 51,154.20 × 21,157.52
  4. Step 4: Simplify right side
    37,068.08x = 1,082,296,009.58
  5. Step 5: Solve for x
    x = 1,082,296,009.58/37,068.08
  6. Step 6: Final answer
    x = 29,197.52

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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.