Home / 35,187.87-48,547.21-20,069.66

Finding the Fourth Proportional to 35,187.87, 48,547.21 and 20,069.66

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Solution

The fourth proportional to 35,187.87, 48,547.21 and 20,069.66 is: 27,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.87 : 48,547.21 = 20,069.66 : x
  2. Step 2: Convert to fraction form
    35,187.87/48,547.21 = 20,069.66/x
  3. Step 3: Cross multiply
    35,187.87x = 48,547.21 × 20,069.66
  4. Step 4: Simplify right side
    35,187.87x = 974,325,998.65
  5. Step 5: Solve for x
    x = 974,325,998.65/35,187.87
  6. Step 6: Final answer
    x = 27,689.26

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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.