Home / 37,267.21-51,430.85-21,354.31

Finding the Fourth Proportional to 37,267.21, 51,430.85 and 21,354.31

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Solution

The fourth proportional to 37,267.21, 51,430.85 and 21,354.31 is: 29,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,267.21 : 51,430.85 = 21,354.31 : x
  2. Step 2: Convert to fraction form
    37,267.21/51,430.85 = 21,354.31/x
  3. Step 3: Cross multiply
    37,267.21x = 51,430.85 × 21,354.31
  4. Step 4: Simplify right side
    37,267.21x = 1,098,270,314.46
  5. Step 5: Solve for x
    x = 1,098,270,314.46/37,267.21
  6. Step 6: Final answer
    x = 29,470.15

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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.