Home / 35,500.19-48,981.53-21,699.04

Finding the Fourth Proportional to 35,500.19, 48,981.53 and 21,699.04

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Solution

The fourth proportional to 35,500.19, 48,981.53 and 21,699.04 is: 29,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.19 : 48,981.53 = 21,699.04 : x
  2. Step 2: Convert to fraction form
    35,500.19/48,981.53 = 21,699.04/x
  3. Step 3: Cross multiply
    35,500.19x = 48,981.53 × 21,699.04
  4. Step 4: Simplify right side
    35,500.19x = 1,062,851,825.33
  5. Step 5: Solve for x
    x = 1,062,851,825.33/35,500.19
  6. Step 6: Final answer
    x = 29,939.33

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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.