Home / 49,231.13-67,940.53-28,011.77

Finding the Fourth Proportional to 49,231.13, 67,940.53 and 28,011.77

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Solution

The fourth proportional to 49,231.13, 67,940.53 and 28,011.77 is: 38,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231.13 : 67,940.53 = 28,011.77 : x
  2. Step 2: Convert to fraction form
    49,231.13/67,940.53 = 28,011.77/x
  3. Step 3: Cross multiply
    49,231.13x = 67,940.53 × 28,011.77
  4. Step 4: Simplify right side
    49,231.13x = 1,903,134,090.31
  5. Step 5: Solve for x
    x = 1,903,134,090.31/49,231.13
  6. Step 6: Final answer
    x = 38,657.13

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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.