Home / 47,212.14-70,818.45-19,132.74

Finding the Fourth Proportional to 47,212.14, 70,818.45 and 19,132.74

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Solution

The fourth proportional to 47,212.14, 70,818.45 and 19,132.74 is: 28,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.14 : 70,818.45 = 19,132.74 : x
  2. Step 2: Convert to fraction form
    47,212.14/70,818.45 = 19,132.74/x
  3. Step 3: Cross multiply
    47,212.14x = 70,818.45 × 19,132.74
  4. Step 4: Simplify right side
    47,212.14x = 1,354,950,991.05
  5. Step 5: Solve for x
    x = 1,354,950,991.05/47,212.14
  6. Step 6: Final answer
    x = 28,699.21

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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.