Home / 47,381.38-70,991.76-28,622.02

Finding the Fourth Proportional to 47,381.38, 70,991.76 and 28,622.02

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Solution

The fourth proportional to 47,381.38, 70,991.76 and 28,622.02 is: 42,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.38 : 70,991.76 = 28,622.02 : x
  2. Step 2: Convert to fraction form
    47,381.38/70,991.76 = 28,622.02/x
  3. Step 3: Cross multiply
    47,381.38x = 70,991.76 × 28,622.02
  4. Step 4: Simplify right side
    47,381.38x = 2,031,927,574.56
  5. Step 5: Solve for x
    x = 2,031,927,574.56/47,381.38
  6. Step 6: Final answer
    x = 42,884.52

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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.