Home / 34,965.81-48,256.30-21,353.10

Finding the Fourth Proportional to 34,965.81, 48,256.30 and 21,353.10

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Solution

The fourth proportional to 34,965.81, 48,256.30 and 21,353.10 is: 29,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,965.81 : 48,256.30 = 21,353.10 : x
  2. Step 2: Convert to fraction form
    34,965.81/48,256.30 = 21,353.10/x
  3. Step 3: Cross multiply
    34,965.81x = 48,256.30 × 21,353.10
  4. Step 4: Simplify right side
    34,965.81x = 1,030,421,445.26
  5. Step 5: Solve for x
    x = 1,030,421,445.26/34,965.81
  6. Step 6: Final answer
    x = 29,469.40

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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.