Home / 40,347.96-60,509.64-19,276.86

Finding the Fourth Proportional to 40,347.96, 60,509.64 and 19,276.86

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Solution

The fourth proportional to 40,347.96, 60,509.64 and 19,276.86 is: 28,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.96 : 60,509.64 = 19,276.86 : x
  2. Step 2: Convert to fraction form
    40,347.96/60,509.64 = 19,276.86/x
  3. Step 3: Cross multiply
    40,347.96x = 60,509.64 × 19,276.86
  4. Step 4: Simplify right side
    40,347.96x = 1,166,435,858.93
  5. Step 5: Solve for x
    x = 1,166,435,858.93/40,347.96
  6. Step 6: Final answer
    x = 28,909.41

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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.