Home / 47,189.28-70,772.58-13,900.35

Finding the Fourth Proportional to 47,189.28, 70,772.58 and 13,900.35

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Solution

The fourth proportional to 47,189.28, 70,772.58 and 13,900.35 is: 20,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.28 : 70,772.58 = 13,900.35 : x
  2. Step 2: Convert to fraction form
    47,189.28/70,772.58 = 13,900.35/x
  3. Step 3: Cross multiply
    47,189.28x = 70,772.58 × 13,900.35
  4. Step 4: Simplify right side
    47,189.28x = 983,763,632.40
  5. Step 5: Solve for x
    x = 983,763,632.40/47,189.28
  6. Step 6: Final answer
    x = 20,847.18

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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.