Home / 35,012.12-48,308.10-21,396.68

Finding the Fourth Proportional to 35,012.12, 48,308.10 and 21,396.68

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Solution

The fourth proportional to 35,012.12, 48,308.10 and 21,396.68 is: 29,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,012.12 : 48,308.10 = 21,396.68 : x
  2. Step 2: Convert to fraction form
    35,012.12/48,308.10 = 21,396.68/x
  3. Step 3: Cross multiply
    35,012.12x = 48,308.10 × 21,396.68
  4. Step 4: Simplify right side
    35,012.12x = 1,033,632,957.11
  5. Step 5: Solve for x
    x = 1,033,632,957.11/35,012.12
  6. Step 6: Final answer
    x = 29,522.15

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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.