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Finding the Fourth Proportional to 56,993.94, 85,482.92 and 19,553.40

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Solution

The fourth proportional to 56,993.94, 85,482.92 and 19,553.40 is: 29,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,993.94 : 85,482.92 = 19,553.40 : x
  2. Step 2: Convert to fraction form
    56,993.94/85,482.92 = 19,553.40/x
  3. Step 3: Cross multiply
    56,993.94x = 85,482.92 × 19,553.40
  4. Step 4: Simplify right side
    56,993.94x = 1,671,481,727.93
  5. Step 5: Solve for x
    x = 1,671,481,727.93/56,993.94
  6. Step 6: Final answer
    x = 29,327.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.