Home / 34,938.30-48,219.10-19,835.66

Finding the Fourth Proportional to 34,938.30, 48,219.10 and 19,835.66

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Solution

The fourth proportional to 34,938.30, 48,219.10 and 19,835.66 is: 27,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,938.30 : 48,219.10 = 19,835.66 : x
  2. Step 2: Convert to fraction form
    34,938.30/48,219.10 = 19,835.66/x
  3. Step 3: Cross multiply
    34,938.30x = 48,219.10 × 19,835.66
  4. Step 4: Simplify right side
    34,938.30x = 956,457,673.11
  5. Step 5: Solve for x
    x = 956,457,673.11/34,938.30
  6. Step 6: Final answer
    x = 27,375.62

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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.