Home / 35,320.50-48,742.38-19,187.89

Finding the Fourth Proportional to 35,320.50, 48,742.38 and 19,187.89

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Solution

The fourth proportional to 35,320.50, 48,742.38 and 19,187.89 is: 26,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.50 : 48,742.38 = 19,187.89 : x
  2. Step 2: Convert to fraction form
    35,320.50/48,742.38 = 19,187.89/x
  3. Step 3: Cross multiply
    35,320.50x = 48,742.38 × 19,187.89
  4. Step 4: Simplify right side
    35,320.50x = 935,263,303.92
  5. Step 5: Solve for x
    x = 935,263,303.92/35,320.50
  6. Step 6: Final answer
    x = 26,479.33

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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.