Home / 47,030.24-70,489.74-20,679.86

Finding the Fourth Proportional to 47,030.24, 70,489.74 and 20,679.86

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Solution

The fourth proportional to 47,030.24, 70,489.74 and 20,679.86 is: 30,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.24 : 70,489.74 = 20,679.86 : x
  2. Step 2: Convert to fraction form
    47,030.24/70,489.74 = 20,679.86/x
  3. Step 3: Cross multiply
    47,030.24x = 70,489.74 × 20,679.86
  4. Step 4: Simplify right side
    47,030.24x = 1,457,717,954.64
  5. Step 5: Solve for x
    x = 1,457,717,954.64/47,030.24
  6. Step 6: Final answer
    x = 30,995.33

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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.