Home / 47,307.87-70,816.90-30,634.72

Finding the Fourth Proportional to 47,307.87, 70,816.90 and 30,634.72

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Solution

The fourth proportional to 47,307.87, 70,816.90 and 30,634.72 is: 45,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,307.87 : 70,816.90 = 30,634.72 : x
  2. Step 2: Convert to fraction form
    47,307.87/70,816.90 = 30,634.72/x
  3. Step 3: Cross multiply
    47,307.87x = 70,816.90 × 30,634.72
  4. Step 4: Simplify right side
    47,307.87x = 2,169,455,902.77
  5. Step 5: Solve for x
    x = 2,169,455,902.77/47,307.87
  6. Step 6: Final answer
    x = 45,858.25

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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.