Home / 51,627.60-77,441.40-30,891.60

Finding the Fourth Proportional to 51,627.60, 77,441.40 and 30,891.60

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Solution

The fourth proportional to 51,627.60, 77,441.40 and 30,891.60 is: 46,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.60 : 77,441.40 = 30,891.60 : x
  2. Step 2: Convert to fraction form
    51,627.60/77,441.40 = 30,891.60/x
  3. Step 3: Cross multiply
    51,627.60x = 77,441.40 × 30,891.60
  4. Step 4: Simplify right side
    51,627.60x = 2,392,288,752.24
  5. Step 5: Solve for x
    x = 2,392,288,752.24/51,627.60
  6. Step 6: Final answer
    x = 46,337.40

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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.