Home / 47,311.48-70,967.20-19,246.80

Finding the Fourth Proportional to 47,311.48, 70,967.20 and 19,246.80

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Solution

The fourth proportional to 47,311.48, 70,967.20 and 19,246.80 is: 28,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,311.48 : 70,967.20 = 19,246.80 : x
  2. Step 2: Convert to fraction form
    47,311.48/70,967.20 = 19,246.80/x
  3. Step 3: Cross multiply
    47,311.48x = 70,967.20 × 19,246.80
  4. Step 4: Simplify right side
    47,311.48x = 1,365,891,504.96
  5. Step 5: Solve for x
    x = 1,365,891,504.96/47,311.48
  6. Step 6: Final answer
    x = 28,870.19

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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.