Home / 47,140.07-70,722.25-13,861.22

Finding the Fourth Proportional to 47,140.07, 70,722.25 and 13,861.22

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Solution

The fourth proportional to 47,140.07, 70,722.25 and 13,861.22 is: 20,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.07 : 70,722.25 = 13,861.22 : x
  2. Step 2: Convert to fraction form
    47,140.07/70,722.25 = 13,861.22/x
  3. Step 3: Cross multiply
    47,140.07x = 70,722.25 × 13,861.22
  4. Step 4: Simplify right side
    47,140.07x = 980,296,277.88
  5. Step 5: Solve for x
    x = 980,296,277.88/47,140.07
  6. Step 6: Final answer
    x = 20,795.40

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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.