Home / 47,172.08-70,701.16-20,846.96

Finding the Fourth Proportional to 47,172.08, 70,701.16 and 20,846.96

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Solution

The fourth proportional to 47,172.08, 70,701.16 and 20,846.96 is: 31,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.08 : 70,701.16 = 20,846.96 : x
  2. Step 2: Convert to fraction form
    47,172.08/70,701.16 = 20,846.96/x
  3. Step 3: Cross multiply
    47,172.08x = 70,701.16 × 20,846.96
  4. Step 4: Simplify right side
    47,172.08x = 1,473,904,254.47
  5. Step 5: Solve for x
    x = 1,473,904,254.47/47,172.08
  6. Step 6: Final answer
    x = 31,245.27

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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.