Home / 53,212.20-79,803.90-15,772.20

Finding the Fourth Proportional to 53,212.20, 79,803.90 and 15,772.20

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Solution

The fourth proportional to 53,212.20, 79,803.90 and 15,772.20 is: 23,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.20 : 79,803.90 = 15,772.20 : x
  2. Step 2: Convert to fraction form
    53,212.20/79,803.90 = 15,772.20/x
  3. Step 3: Cross multiply
    53,212.20x = 79,803.90 × 15,772.20
  4. Step 4: Simplify right side
    53,212.20x = 1,258,683,071.58
  5. Step 5: Solve for x
    x = 1,258,683,071.58/53,212.20
  6. Step 6: Final answer
    x = 23,654.03

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1.5x scale

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.