Home / 43,557.60-65,345.20-17,263.28

Finding the Fourth Proportional to 43,557.60, 65,345.20 and 17,263.28

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Solution

The fourth proportional to 43,557.60, 65,345.20 and 17,263.28 is: 25,898.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.60 : 65,345.20 = 17,263.28 : x
  2. Step 2: Convert to fraction form
    43,557.60/65,345.20 = 17,263.28/x
  3. Step 3: Cross multiply
    43,557.60x = 65,345.20 × 17,263.28
  4. Step 4: Simplify right side
    43,557.60x = 1,128,072,484.26
  5. Step 5: Solve for x
    x = 1,128,072,484.26/43,557.60
  6. Step 6: Final answer
    x = 25,898.41

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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.