Home / 35,307.09-48,710.00-20,191.68

Finding the Fourth Proportional to 35,307.09, 48,710.00 and 20,191.68

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Solution

The fourth proportional to 35,307.09, 48,710.00 and 20,191.68 is: 27,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.09 : 48,710.00 = 20,191.68 : x
  2. Step 2: Convert to fraction form
    35,307.09/48,710.00 = 20,191.68/x
  3. Step 3: Cross multiply
    35,307.09x = 48,710.00 × 20,191.68
  4. Step 4: Simplify right side
    35,307.09x = 983,536,783.28
  5. Step 5: Solve for x
    x = 983,536,783.28/35,307.09
  6. Step 6: Final answer
    x = 27,856.64

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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.