Home / 51,920.30-77,880.45-34,205.60

Finding the Fourth Proportional to 51,920.30, 77,880.45 and 34,205.60

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Solution

The fourth proportional to 51,920.30, 77,880.45 and 34,205.60 is: 51,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.30 : 77,880.45 = 34,205.60 : x
  2. Step 2: Convert to fraction form
    51,920.30/77,880.45 = 34,205.60/x
  3. Step 3: Cross multiply
    51,920.30x = 77,880.45 × 34,205.60
  4. Step 4: Simplify right side
    51,920.30x = 2,663,947,520.52
  5. Step 5: Solve for x
    x = 2,663,947,520.52/51,920.30
  6. Step 6: Final answer
    x = 51,308.40

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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.