Home / 37,320.72-51,502.50-20,553.72

Finding the Fourth Proportional to 37,320.72, 51,502.50 and 20,553.72

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Solution

The fourth proportional to 37,320.72, 51,502.50 and 20,553.72 is: 28,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320.72 : 51,502.50 = 20,553.72 : x
  2. Step 2: Convert to fraction form
    37,320.72/51,502.50 = 20,553.72/x
  3. Step 3: Cross multiply
    37,320.72x = 51,502.50 × 20,553.72
  4. Step 4: Simplify right side
    37,320.72x = 1,058,567,964.30
  5. Step 5: Solve for x
    x = 1,058,567,964.30/37,320.72
  6. Step 6: Final answer
    x = 28,364.08

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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.