Home / 47,209.40-70,824.52-15,629.30

Finding the Fourth Proportional to 47,209.40, 70,824.52 and 15,629.30

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Solution

The fourth proportional to 47,209.40, 70,824.52 and 15,629.30 is: 23,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,209.40 : 70,824.52 = 15,629.30 : x
  2. Step 2: Convert to fraction form
    47,209.40/70,824.52 = 15,629.30/x
  3. Step 3: Cross multiply
    47,209.40x = 70,824.52 × 15,629.30
  4. Step 4: Simplify right side
    47,209.40x = 1,106,937,670.44
  5. Step 5: Solve for x
    x = 1,106,937,670.44/47,209.40
  6. Step 6: Final answer
    x = 23,447.40

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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.