Home / 35,400.68-48,853.42-19,485.80

Finding the Fourth Proportional to 35,400.68, 48,853.42 and 19,485.80

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Solution

The fourth proportional to 35,400.68, 48,853.42 and 19,485.80 is: 26,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.68 : 48,853.42 = 19,485.80 : x
  2. Step 2: Convert to fraction form
    35,400.68/48,853.42 = 19,485.80/x
  3. Step 3: Cross multiply
    35,400.68x = 48,853.42 × 19,485.80
  4. Step 4: Simplify right side
    35,400.68x = 951,947,678.45
  5. Step 5: Solve for x
    x = 951,947,678.45/35,400.68
  6. Step 6: Final answer
    x = 26,890.66

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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.