Home / 35,278.95-48,684.78-19,363.68

Finding the Fourth Proportional to 35,278.95, 48,684.78 and 19,363.68

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Solution

The fourth proportional to 35,278.95, 48,684.78 and 19,363.68 is: 26,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.95 : 48,684.78 = 19,363.68 : x
  2. Step 2: Convert to fraction form
    35,278.95/48,684.78 = 19,363.68/x
  3. Step 3: Cross multiply
    35,278.95x = 48,684.78 × 19,363.68
  4. Step 4: Simplify right side
    35,278.95x = 942,716,500.79
  5. Step 5: Solve for x
    x = 942,716,500.79/35,278.95
  6. Step 6: Final answer
    x = 26,721.78

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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.