Home / 49,307.76-67,998.96-31,384.08

Finding the Fourth Proportional to 49,307.76, 67,998.96 and 31,384.08

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Solution

The fourth proportional to 49,307.76, 67,998.96 and 31,384.08 is: 43,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,307.76 : 67,998.96 = 31,384.08 : x
  2. Step 2: Convert to fraction form
    49,307.76/67,998.96 = 31,384.08/x
  3. Step 3: Cross multiply
    49,307.76x = 67,998.96 × 31,384.08
  4. Step 4: Simplify right side
    49,307.76x = 2,134,084,800.56
  5. Step 5: Solve for x
    x = 2,134,084,800.56/49,307.76
  6. Step 6: Final answer
    x = 43,280.91

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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.