Home / 47,212.86-70,819.49-19,133.45

Finding the Fourth Proportional to 47,212.86, 70,819.49 and 19,133.45

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Solution

The fourth proportional to 47,212.86, 70,819.49 and 19,133.45 is: 28,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.86 : 70,819.49 = 19,133.45 : x
  2. Step 2: Convert to fraction form
    47,212.86/70,819.49 = 19,133.45/x
  3. Step 3: Cross multiply
    47,212.86x = 70,819.49 × 19,133.45
  4. Step 4: Simplify right side
    47,212.86x = 1,355,020,721.18
  5. Step 5: Solve for x
    x = 1,355,020,721.18/47,212.86
  6. Step 6: Final answer
    x = 28,700.25

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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.