Home / 48,112.18-72,150.04-28,128.92

Finding the Fourth Proportional to 48,112.18, 72,150.04 and 28,128.92

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Solution

The fourth proportional to 48,112.18, 72,150.04 and 28,128.92 is: 42,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,112.18 : 72,150.04 = 28,128.92 : x
  2. Step 2: Convert to fraction form
    48,112.18/72,150.04 = 28,128.92/x
  3. Step 3: Cross multiply
    48,112.18x = 72,150.04 × 28,128.92
  4. Step 4: Simplify right side
    48,112.18x = 2,029,502,783.41
  5. Step 5: Solve for x
    x = 2,029,502,783.41/48,112.18
  6. Step 6: Final answer
    x = 42,182.73

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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.