Home / 35,187.88-48,547.20-20,069.66

Finding the Fourth Proportional to 35,187.88, 48,547.20 and 20,069.66

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Solution

The fourth proportional to 35,187.88, 48,547.20 and 20,069.66 is: 27,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.88 : 48,547.20 = 20,069.66 : x
  2. Step 2: Convert to fraction form
    35,187.88/48,547.20 = 20,069.66/x
  3. Step 3: Cross multiply
    35,187.88x = 48,547.20 × 20,069.66
  4. Step 4: Simplify right side
    35,187.88x = 974,325,797.95
  5. Step 5: Solve for x
    x = 974,325,797.95/35,187.88
  6. Step 6: Final answer
    x = 27,689.24

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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.