Home / 53,404.86-80,106.39-21,807.96

Finding the Fourth Proportional to 53,404.86, 80,106.39 and 21,807.96

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Solution

The fourth proportional to 53,404.86, 80,106.39 and 21,807.96 is: 32,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,404.86 : 80,106.39 = 21,807.96 : x
  2. Step 2: Convert to fraction form
    53,404.86/80,106.39 = 21,807.96/x
  3. Step 3: Cross multiply
    53,404.86x = 80,106.39 × 21,807.96
  4. Step 4: Simplify right side
    53,404.86x = 1,746,956,948.86
  5. Step 5: Solve for x
    x = 1,746,956,948.86/53,404.86
  6. Step 6: Final answer
    x = 32,711.57

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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.