Home / 47,261.96-70,892.91-13,979.42

Finding the Fourth Proportional to 47,261.96, 70,892.91 and 13,979.42

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Solution

The fourth proportional to 47,261.96, 70,892.91 and 13,979.42 is: 20,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261.96 : 70,892.91 = 13,979.42 : x
  2. Step 2: Convert to fraction form
    47,261.96/70,892.91 = 13,979.42/x
  3. Step 3: Cross multiply
    47,261.96x = 70,892.91 × 13,979.42
  4. Step 4: Simplify right side
    47,261.96x = 991,041,409.45
  5. Step 5: Solve for x
    x = 991,041,409.45/47,261.96
  6. Step 6: Final answer
    x = 20,969.12

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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.