Home / 56,905.04-85,355.40-15,353.12

Finding the Fourth Proportional to 56,905.04, 85,355.40 and 15,353.12

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Solution

The fourth proportional to 56,905.04, 85,355.40 and 15,353.12 is: 23,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905.04 : 85,355.40 = 15,353.12 : x
  2. Step 2: Convert to fraction form
    56,905.04/85,355.40 = 15,353.12/x
  3. Step 3: Cross multiply
    56,905.04x = 85,355.40 × 15,353.12
  4. Step 4: Simplify right side
    56,905.04x = 1,310,471,698.85
  5. Step 5: Solve for x
    x = 1,310,471,698.85/56,905.04
  6. Step 6: Final answer
    x = 23,029.10

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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.