Home / 47,172.96-70,775.64-30,564.72

Finding the Fourth Proportional to 47,172.96, 70,775.64 and 30,564.72

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Solution

The fourth proportional to 47,172.96, 70,775.64 and 30,564.72 is: 45,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.96 : 70,775.64 = 30,564.72 : x
  2. Step 2: Convert to fraction form
    47,172.96/70,775.64 = 30,564.72/x
  3. Step 3: Cross multiply
    47,172.96x = 70,775.64 × 30,564.72
  4. Step 4: Simplify right side
    47,172.96x = 2,163,237,619.42
  5. Step 5: Solve for x
    x = 2,163,237,619.42/47,172.96
  6. Step 6: Final answer
    x = 45,857.58

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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.