Home / 35,903.43-49,545.60-19,987.08

Finding the Fourth Proportional to 35,903.43, 49,545.60 and 19,987.08

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Solution

The fourth proportional to 35,903.43, 49,545.60 and 19,987.08 is: 27,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.43 : 49,545.60 = 19,987.08 : x
  2. Step 2: Convert to fraction form
    35,903.43/49,545.60 = 19,987.08/x
  3. Step 3: Cross multiply
    35,903.43x = 49,545.60 × 19,987.08
  4. Step 4: Simplify right side
    35,903.43x = 990,271,870.85
  5. Step 5: Solve for x
    x = 990,271,870.85/35,903.43
  6. Step 6: Final answer
    x = 27,581.54

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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.