Home / 47,215.51-70,834.70-13,934.83

Finding the Fourth Proportional to 47,215.51, 70,834.70 and 13,934.83

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Solution

The fourth proportional to 47,215.51, 70,834.70 and 13,934.83 is: 20,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,215.51 : 70,834.70 = 13,934.83 : x
  2. Step 2: Convert to fraction form
    47,215.51/70,834.70 = 13,934.83/x
  3. Step 3: Cross multiply
    47,215.51x = 70,834.70 × 13,934.83
  4. Step 4: Simplify right side
    47,215.51x = 987,069,502.60
  5. Step 5: Solve for x
    x = 987,069,502.60/47,215.51
  6. Step 6: Final answer
    x = 20,905.62

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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.