Home / 47,129.34-70,685.49-19,048.38

Finding the Fourth Proportional to 47,129.34, 70,685.49 and 19,048.38

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Solution

The fourth proportional to 47,129.34, 70,685.49 and 19,048.38 is: 28,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.34 : 70,685.49 = 19,048.38 : x
  2. Step 2: Convert to fraction form
    47,129.34/70,685.49 = 19,048.38/x
  3. Step 3: Cross multiply
    47,129.34x = 70,685.49 × 19,048.38
  4. Step 4: Simplify right side
    47,129.34x = 1,346,444,074.01
  5. Step 5: Solve for x
    x = 1,346,444,074.01/47,129.34
  6. Step 6: Final answer
    x = 28,569.13

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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.