Home / 53,206.12-79,809-15,766.48

Finding the Fourth Proportional to 53,206.12, 79,809 and 15,766.48

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Solution

The fourth proportional to 53,206.12, 79,809 and 15,766.48 is: 23,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,206.12 : 79,809 = 15,766.48 : x
  2. Step 2: Convert to fraction form
    53,206.12/79,809 = 15,766.48/x
  3. Step 3: Cross multiply
    53,206.12x = 79,809 × 15,766.48
  4. Step 4: Simplify right side
    53,206.12x = 1,258,307,002.32
  5. Step 5: Solve for x
    x = 1,258,307,002.32/53,206.12
  6. Step 6: Final answer
    x = 23,649.67

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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.