Home / 35,191.28-48,562.80-21,036.80

Finding the Fourth Proportional to 35,191.28, 48,562.80 and 21,036.80

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Solution

The fourth proportional to 35,191.28, 48,562.80 and 21,036.80 is: 29,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,191.28 : 48,562.80 = 21,036.80 : x
  2. Step 2: Convert to fraction form
    35,191.28/48,562.80 = 21,036.80/x
  3. Step 3: Cross multiply
    35,191.28x = 48,562.80 × 21,036.80
  4. Step 4: Simplify right side
    35,191.28x = 1,021,605,911.04
  5. Step 5: Solve for x
    x = 1,021,605,911.04/35,191.28
  6. Step 6: Final answer
    x = 29,030.09

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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.