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Finding the Fourth Proportional to 35,880.60, 53,820.90 and 22,747.80

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Solution

The fourth proportional to 35,880.60, 53,820.90 and 22,747.80 is: 34,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.60 : 53,820.90 = 22,747.80 : x
  2. Step 2: Convert to fraction form
    35,880.60/53,820.90 = 22,747.80/x
  3. Step 3: Cross multiply
    35,880.60x = 53,820.90 × 22,747.80
  4. Step 4: Simplify right side
    35,880.60x = 1,224,307,069.02
  5. Step 5: Solve for x
    x = 1,224,307,069.02/35,880.60
  6. Step 6: Final answer
    x = 34,121.70

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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.