Home / 47,711.80-71,567.70-44,990.20

Finding the Fourth Proportional to 47,711.80, 71,567.70 and 44,990.20

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Solution

The fourth proportional to 47,711.80, 71,567.70 and 44,990.20 is: 67,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.80 : 71,567.70 = 44,990.20 : x
  2. Step 2: Convert to fraction form
    47,711.80/71,567.70 = 44,990.20/x
  3. Step 3: Cross multiply
    47,711.80x = 71,567.70 × 44,990.20
  4. Step 4: Simplify right side
    47,711.80x = 3,219,845,136.54
  5. Step 5: Solve for x
    x = 3,219,845,136.54/47,711.80
  6. Step 6: Final answer
    x = 67,485.30

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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.