Home / 47,220.33-70,835.69-15,618.88

Finding the Fourth Proportional to 47,220.33, 70,835.69 and 15,618.88

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Solution

The fourth proportional to 47,220.33, 70,835.69 and 15,618.88 is: 23,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.33 : 70,835.69 = 15,618.88 : x
  2. Step 2: Convert to fraction form
    47,220.33/70,835.69 = 15,618.88/x
  3. Step 3: Cross multiply
    47,220.33x = 70,835.69 × 15,618.88
  4. Step 4: Simplify right side
    47,220.33x = 1,106,374,141.83
  5. Step 5: Solve for x
    x = 1,106,374,141.83/47,220.33
  6. Step 6: Final answer
    x = 23,430.04

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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.