Home / 47,421.13-71,131.70-14,164.56

Finding the Fourth Proportional to 47,421.13, 71,131.70 and 14,164.56

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Solution

The fourth proportional to 47,421.13, 71,131.70 and 14,164.56 is: 21,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.13 : 71,131.70 = 14,164.56 : x
  2. Step 2: Convert to fraction form
    47,421.13/71,131.70 = 14,164.56/x
  3. Step 3: Cross multiply
    47,421.13x = 71,131.70 × 14,164.56
  4. Step 4: Simplify right side
    47,421.13x = 1,007,549,232.55
  5. Step 5: Solve for x
    x = 1,007,549,232.55/47,421.13
  6. Step 6: Final answer
    x = 21,246.84

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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.