Home / 53,931.40-80,823.26-34,223.80

Finding the Fourth Proportional to 53,931.40, 80,823.26 and 34,223.80

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Solution

The fourth proportional to 53,931.40, 80,823.26 and 34,223.80 is: 51,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.40 : 80,823.26 = 34,223.80 : x
  2. Step 2: Convert to fraction form
    53,931.40/80,823.26 = 34,223.80/x
  3. Step 3: Cross multiply
    53,931.40x = 80,823.26 × 34,223.80
  4. Step 4: Simplify right side
    53,931.40x = 2,766,079,085.59
  5. Step 5: Solve for x
    x = 2,766,079,085.59/53,931.40
  6. Step 6: Final answer
    x = 51,288.84

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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.