Home / 40,345.70-60,518.44-12,265.63

Finding the Fourth Proportional to 40,345.70, 60,518.44 and 12,265.63

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Solution

The fourth proportional to 40,345.70, 60,518.44 and 12,265.63 is: 18,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,345.70 : 60,518.44 = 12,265.63 : x
  2. Step 2: Convert to fraction form
    40,345.70/60,518.44 = 12,265.63/x
  3. Step 3: Cross multiply
    40,345.70x = 60,518.44 × 12,265.63
  4. Step 4: Simplify right side
    40,345.70x = 742,296,657.25
  5. Step 5: Solve for x
    x = 742,296,657.25/40,345.70
  6. Step 6: Final answer
    x = 18,398.41

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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.