Home / 35,335.89-48,761.23-20,228.67

Finding the Fourth Proportional to 35,335.89, 48,761.23 and 20,228.67

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Solution

The fourth proportional to 35,335.89, 48,761.23 and 20,228.67 is: 27,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.89 : 48,761.23 = 20,228.67 : x
  2. Step 2: Convert to fraction form
    35,335.89/48,761.23 = 20,228.67/x
  3. Step 3: Cross multiply
    35,335.89x = 48,761.23 × 20,228.67
  4. Step 4: Simplify right side
    35,335.89x = 986,374,830.46
  5. Step 5: Solve for x
    x = 986,374,830.46/35,335.89
  6. Step 6: Final answer
    x = 27,914.25

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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.