Home / 49,329.86-68,077.05-28,108.58

Finding the Fourth Proportional to 49,329.86, 68,077.05 and 28,108.58

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Solution

The fourth proportional to 49,329.86, 68,077.05 and 28,108.58 is: 38,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.86 : 68,077.05 = 28,108.58 : x
  2. Step 2: Convert to fraction form
    49,329.86/68,077.05 = 28,108.58/x
  3. Step 3: Cross multiply
    49,329.86x = 68,077.05 × 28,108.58
  4. Step 4: Simplify right side
    49,329.86x = 1,913,549,206.09
  5. Step 5: Solve for x
    x = 1,913,549,206.09/49,329.86
  6. Step 6: Final answer
    x = 38,790.89

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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.