Home / 51,613.60-77,266.80-30,877.60

Finding the Fourth Proportional to 51,613.60, 77,266.80 and 30,877.60

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Solution

The fourth proportional to 51,613.60, 77,266.80 and 30,877.60 is: 46,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,613.60 : 77,266.80 = 30,877.60 : x
  2. Step 2: Convert to fraction form
    51,613.60/77,266.80 = 30,877.60/x
  3. Step 3: Cross multiply
    51,613.60x = 77,266.80 × 30,877.60
  4. Step 4: Simplify right side
    51,613.60x = 2,385,813,343.68
  5. Step 5: Solve for x
    x = 2,385,813,343.68/51,613.60
  6. Step 6: Final answer
    x = 46,224.51

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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.