Home / 56,005.60-84,008.40-35,269.60

Finding the Fourth Proportional to 56,005.60, 84,008.40 and 35,269.60

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Solution

The fourth proportional to 56,005.60, 84,008.40 and 35,269.60 is: 52,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005.60 : 84,008.40 = 35,269.60 : x
  2. Step 2: Convert to fraction form
    56,005.60/84,008.40 = 35,269.60/x
  3. Step 3: Cross multiply
    56,005.60x = 84,008.40 × 35,269.60
  4. Step 4: Simplify right side
    56,005.60x = 2,962,942,664.64
  5. Step 5: Solve for x
    x = 2,962,942,664.64/56,005.60
  6. Step 6: Final answer
    x = 52,904.40

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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.