Home / 47,350.10-70,931.55-30,721.70

Finding the Fourth Proportional to 47,350.10, 70,931.55 and 30,721.70

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Solution

The fourth proportional to 47,350.10, 70,931.55 and 30,721.70 is: 46,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,350.10 : 70,931.55 = 30,721.70 : x
  2. Step 2: Convert to fraction form
    47,350.10/70,931.55 = 30,721.70/x
  3. Step 3: Cross multiply
    47,350.10x = 70,931.55 × 30,721.70
  4. Step 4: Simplify right side
    47,350.10x = 2,179,137,799.64
  5. Step 5: Solve for x
    x = 2,179,137,799.64/47,350.10
  6. Step 6: Final answer
    x = 46,021.82

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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.