Home / 48,612.34-72,890.70-28,904.68

Finding the Fourth Proportional to 48,612.34, 72,890.70 and 28,904.68

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Solution

The fourth proportional to 48,612.34, 72,890.70 and 28,904.68 is: 43,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.34 : 72,890.70 = 28,904.68 : x
  2. Step 2: Convert to fraction form
    48,612.34/72,890.70 = 28,904.68/x
  3. Step 3: Cross multiply
    48,612.34x = 72,890.70 × 28,904.68
  4. Step 4: Simplify right side
    48,612.34x = 2,106,882,358.48
  5. Step 5: Solve for x
    x = 2,106,882,358.48/48,612.34
  6. Step 6: Final answer
    x = 43,340.48

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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.