Home / 34,877.40-52,243.20-19,276.80

Finding the Fourth Proportional to 34,877.40, 52,243.20 and 19,276.80

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Solution

The fourth proportional to 34,877.40, 52,243.20 and 19,276.80 is: 28,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.40 : 52,243.20 = 19,276.80 : x
  2. Step 2: Convert to fraction form
    34,877.40/52,243.20 = 19,276.80/x
  3. Step 3: Cross multiply
    34,877.40x = 52,243.20 × 19,276.80
  4. Step 4: Simplify right side
    34,877.40x = 1,007,081,717.76
  5. Step 5: Solve for x
    x = 1,007,081,717.76/34,877.40
  6. Step 6: Final answer
    x = 28,874.91

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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.