Home / 39,312.12-58,977.30-11,232.54

Finding the Fourth Proportional to 39,312.12, 58,977.30 and 11,232.54

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Solution

The fourth proportional to 39,312.12, 58,977.30 and 11,232.54 is: 16,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.12 : 58,977.30 = 11,232.54 : x
  2. Step 2: Convert to fraction form
    39,312.12/58,977.30 = 11,232.54/x
  3. Step 3: Cross multiply
    39,312.12x = 58,977.30 × 11,232.54
  4. Step 4: Simplify right side
    39,312.12x = 662,464,881.34
  5. Step 5: Solve for x
    x = 662,464,881.34/39,312.12
  6. Step 6: Final answer
    x = 16,851.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.