Home / 53,409.35-80,162.18-28,470.17

Finding the Fourth Proportional to 53,409.35, 80,162.18 and 28,470.17

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Solution

The fourth proportional to 53,409.35, 80,162.18 and 28,470.17 is: 42,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.35 : 80,162.18 = 28,470.17 : x
  2. Step 2: Convert to fraction form
    53,409.35/80,162.18 = 28,470.17/x
  3. Step 3: Cross multiply
    53,409.35x = 80,162.18 × 28,470.17
  4. Step 4: Simplify right side
    53,409.35x = 2,282,230,349.01
  5. Step 5: Solve for x
    x = 2,282,230,349.01/53,409.35
  6. Step 6: Final answer
    x = 42,730.92

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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.