Home / 34,106.61-51,170.13-20,612.82

Finding the Fourth Proportional to 34,106.61, 51,170.13 and 20,612.82

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Solution

The fourth proportional to 34,106.61, 51,170.13 and 20,612.82 is: 30,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,106.61 : 51,170.13 = 20,612.82 : x
  2. Step 2: Convert to fraction form
    34,106.61/51,170.13 = 20,612.82/x
  3. Step 3: Cross multiply
    34,106.61x = 51,170.13 × 20,612.82
  4. Step 4: Simplify right side
    34,106.61x = 1,054,760,679.07
  5. Step 5: Solve for x
    x = 1,054,760,679.07/34,106.61
  6. Step 6: Final answer
    x = 30,925.40

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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.