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Finding the Fourth Proportional to 35,455.30, 48,948.72 and 23,534.80

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Solution

The fourth proportional to 35,455.30, 48,948.72 and 23,534.80 is: 32,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.30 : 48,948.72 = 23,534.80 : x
  2. Step 2: Convert to fraction form
    35,455.30/48,948.72 = 23,534.80/x
  3. Step 3: Cross multiply
    35,455.30x = 48,948.72 × 23,534.80
  4. Step 4: Simplify right side
    35,455.30x = 1,151,998,335.46
  5. Step 5: Solve for x
    x = 1,151,998,335.46/35,455.30
  6. Step 6: Final answer
    x = 32,491.57

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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.