Home / 47,216.91-70,808.86-13,928.14

Finding the Fourth Proportional to 47,216.91, 70,808.86 and 13,928.14

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Solution

The fourth proportional to 47,216.91, 70,808.86 and 13,928.14 is: 20,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,216.91 : 70,808.86 = 13,928.14 : x
  2. Step 2: Convert to fraction form
    47,216.91/70,808.86 = 13,928.14/x
  3. Step 3: Cross multiply
    47,216.91x = 70,808.86 × 13,928.14
  4. Step 4: Simplify right side
    47,216.91x = 986,235,715.32
  5. Step 5: Solve for x
    x = 986,235,715.32/47,216.91
  6. Step 6: Final answer
    x = 20,887.34

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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.