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Finding the Fourth Proportional to 56,324.94, 84,485.70 and 18,374.10

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Solution

The fourth proportional to 56,324.94, 84,485.70 and 18,374.10 is: 27,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,324.94 : 84,485.70 = 18,374.10 : x
  2. Step 2: Convert to fraction form
    56,324.94/84,485.70 = 18,374.10/x
  3. Step 3: Cross multiply
    56,324.94x = 84,485.70 × 18,374.10
  4. Step 4: Simplify right side
    56,324.94x = 1,552,348,700.37
  5. Step 5: Solve for x
    x = 1,552,348,700.37/56,324.94
  6. Step 6: Final answer
    x = 27,560.59

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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.