Home / 52,440.62-78,688.26-20,843.93

Finding the Fourth Proportional to 52,440.62, 78,688.26 and 20,843.93

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Solution

The fourth proportional to 52,440.62, 78,688.26 and 20,843.93 is: 31,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,440.62 : 78,688.26 = 20,843.93 : x
  2. Step 2: Convert to fraction form
    52,440.62/78,688.26 = 20,843.93/x
  3. Step 3: Cross multiply
    52,440.62x = 78,688.26 × 20,843.93
  4. Step 4: Simplify right side
    52,440.62x = 1,640,172,779.98
  5. Step 5: Solve for x
    x = 1,640,172,779.98/52,440.62
  6. Step 6: Final answer
    x = 31,276.76

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1.5x scale

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.