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Finding the Fourth Proportional to 35,353.68, 48,801.20 and 23,420.90

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Solution

The fourth proportional to 35,353.68, 48,801.20 and 23,420.90 is: 32,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.68 : 48,801.20 = 23,420.90 : x
  2. Step 2: Convert to fraction form
    35,353.68/48,801.20 = 23,420.90/x
  3. Step 3: Cross multiply
    35,353.68x = 48,801.20 × 23,420.90
  4. Step 4: Simplify right side
    35,353.68x = 1,142,968,025.08
  5. Step 5: Solve for x
    x = 1,142,968,025.08/35,353.68
  6. Step 6: Final answer
    x = 32,329.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.