Home / 37,368.40-51,566.82-20,372.28

Finding the Fourth Proportional to 37,368.40, 51,566.82 and 20,372.28

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Solution

The fourth proportional to 37,368.40, 51,566.82 and 20,372.28 is: 28,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,368.40 : 51,566.82 = 20,372.28 : x
  2. Step 2: Convert to fraction form
    37,368.40/51,566.82 = 20,372.28/x
  3. Step 3: Cross multiply
    37,368.40x = 51,566.82 × 20,372.28
  4. Step 4: Simplify right side
    37,368.40x = 1,050,533,695.75
  5. Step 5: Solve for x
    x = 1,050,533,695.75/37,368.40
  6. Step 6: Final answer
    x = 28,112.89

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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.