Home / 52,783.46-72,841.20-28,911.65

Finding the Fourth Proportional to 52,783.46, 72,841.20 and 28,911.65

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Solution

The fourth proportional to 52,783.46, 72,841.20 and 28,911.65 is: 39,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.46 : 72,841.20 = 28,911.65 : x
  2. Step 2: Convert to fraction form
    52,783.46/72,841.20 = 28,911.65/x
  3. Step 3: Cross multiply
    52,783.46x = 72,841.20 × 28,911.65
  4. Step 4: Simplify right side
    52,783.46x = 2,105,959,279.98
  5. Step 5: Solve for x
    x = 2,105,959,279.98/52,783.46
  6. Step 6: Final answer
    x = 39,898.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.