Home / 34,217.61-51,333.63-12,870.46

Finding the Fourth Proportional to 34,217.61, 51,333.63 and 12,870.46

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Solution

The fourth proportional to 34,217.61, 51,333.63 and 12,870.46 is: 19,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.61 : 51,333.63 = 12,870.46 : x
  2. Step 2: Convert to fraction form
    34,217.61/51,333.63 = 12,870.46/x
  3. Step 3: Cross multiply
    34,217.61x = 51,333.63 × 12,870.46
  4. Step 4: Simplify right side
    34,217.61x = 660,687,431.57
  5. Step 5: Solve for x
    x = 660,687,431.57/34,217.61
  6. Step 6: Final answer
    x = 19,308.40

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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.