Home / 67,214.04-100,836.06-20,470.52

Finding the Fourth Proportional to 67,214.04, 100,836.06 and 20,470.52

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Solution

The fourth proportional to 67,214.04, 100,836.06 and 20,470.52 is: 30,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214.04 : 100,836.06 = 20,470.52 : x
  2. Step 2: Convert to fraction form
    67,214.04/100,836.06 = 20,470.52/x
  3. Step 3: Cross multiply
    67,214.04x = 100,836.06 × 20,470.52
  4. Step 4: Simplify right side
    67,214.04x = 2,064,166,582.95
  5. Step 5: Solve for x
    x = 2,064,166,582.95/67,214.04
  6. Step 6: Final answer
    x = 30,710.35

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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.