Home / 34,079.40-47,032.50-18,971.80

Finding the Fourth Proportional to 34,079.40, 47,032.50 and 18,971.80

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Solution

The fourth proportional to 34,079.40, 47,032.50 and 18,971.80 is: 26,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,079.40 : 47,032.50 = 18,971.80 : x
  2. Step 2: Convert to fraction form
    34,079.40/47,032.50 = 18,971.80/x
  3. Step 3: Cross multiply
    34,079.40x = 47,032.50 × 18,971.80
  4. Step 4: Simplify right side
    34,079.40x = 892,291,183.50
  5. Step 5: Solve for x
    x = 892,291,183.50/34,079.40
  6. Step 6: Final answer
    x = 26,182.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.