Home / 34,707.40-51,988.20-19,106.80

Finding the Fourth Proportional to 34,707.40, 51,988.20 and 19,106.80

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Solution

The fourth proportional to 34,707.40, 51,988.20 and 19,106.80 is: 28,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,707.40 : 51,988.20 = 19,106.80 : x
  2. Step 2: Convert to fraction form
    34,707.40/51,988.20 = 19,106.80/x
  3. Step 3: Cross multiply
    34,707.40x = 51,988.20 × 19,106.80
  4. Step 4: Simplify right side
    34,707.40x = 993,328,139.76
  5. Step 5: Solve for x
    x = 993,328,139.76/34,707.40
  6. Step 6: Final answer
    x = 28,620.07

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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.