Home / 37,220.34-51,363.80-20,453.70

Finding the Fourth Proportional to 37,220.34, 51,363.80 and 20,453.70

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Solution

The fourth proportional to 37,220.34, 51,363.80 and 20,453.70 is: 28,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.34 : 51,363.80 = 20,453.70 : x
  2. Step 2: Convert to fraction form
    37,220.34/51,363.80 = 20,453.70/x
  3. Step 3: Cross multiply
    37,220.34x = 51,363.80 × 20,453.70
  4. Step 4: Simplify right side
    37,220.34x = 1,050,579,756.06
  5. Step 5: Solve for x
    x = 1,050,579,756.06/37,220.34
  6. Step 6: Final answer
    x = 28,225.96

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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.